In vertebrates such as a chicken, a mouse, of a python, variation in the number of vertebrae in the spine is determined by Hox genes. Which MOST LIKELY way that Hox genes account for this variations?

A) As Vertebrates evolved, mutations in Hox genes led to new vertebral organization during embryological development


B) As vertebrates evolved, mutations in Hox genes directly resulted in new proteins that determined vertebrae


C)Long before vertebrates evolved, a wide variety of Hox genes developed and many codes for vertebral structures


D) Environmental factors, which differ among vertebrate groups, activate specific Hox genes that code for specific structures

Answer:

If I were in charge of making the decision to help clean up the city's polluted water, I'll stop all the use of chemicals because I think that the chemicals have the biggest effect on water pollution.

It is useful to carry out planned cleanups. The farmers will need to grow more crops, which can be difficult, but it will help them know when not to grow their crops.

In order to prevent and manage water pollution and to maintain or restore the country's water wholesomeness, the Water (Prevention and Control of Pollution) Act was passed in 1974. In 1988, the Act was modified.

To supply their communities with clean drinking water, public drinking water systems employ a variety of water treatment techniques. Coagulation, flocculation, sedimentation, filtration, and disinfection are common water treatment processes used in public water systems.

Therefore, making laws to reduce the use of chemicals, schedule cleanups, or stop all use of chemicals is helpful to prevent water from getting polluted.

Learn more about pollution, here:

https://brainly.com/question/19920929

#SPJ5

Answer:

50%

Explanation:

A male is purebred dominant for being smart (SS) and heterozygous for not being attractive (Aa), and attractiveness is a recessive trait, and genotype of heterozygous female for both intelligence and attractiveness (SsAa), will produce offspring that will be totally heterozygous(SsAa) is 1/4.  the offspring will be attractive and smart is (SSaa) 1/8. Phenotype ratio is 2 are smart and attractive: 6 are smart and not attractive .

The genotype of a male individual, which is homozygous dominant for being smart (SS) and heterozygous for not being attractive (Aa).  The information that attractiveness is a recessive trait, which means that an individual needs to have two copies of the recessive allele (aa) to show the trait.The female individual is heterozygous for both traits, which means that she has one dominant and one recessive allele for each trait (SsAa). 

Hence, male is purebred dominant for being smart (SS) and heterozygous for not being attractive (Aa), and attractiveness is a recessive trait, and genotype of heterozygous female for both intelligence and attractiveness (SsAa), will produce offspring that will be totally heterozygous(SsAa) is 1/4.  the offspring will be attractive and smart is (SSaa) 1/8. Phenotype ratio is 2 are smart and attractive: 6 are smart and not attractive .

Learn more about the genotype and phenotype here

https://brainly.com/question/8128038

#SPJ3

To translate the mRNA we have what the original code is GGCCAAUU and when translating we find that CCGGUUAA

mRNA is translated into protein by the action of a variety of tRNA molecules, each specific for each amino acid. The nucleotide sequence of an mRNA molecule is translated into the appropriate amino acid sequence as determined by the genetic code.

So in this case performing the translation of the mRNA we find that it will be GGCCAAUU for the following code CCGGUUAA.

See more about mRNA at brainly.com/question/12903143

#SPJ2

Answer:

C. Noise pollution

Explanation:

Ben is susceptible to the noise pollution and the air pollution, and may be water pollution too, because the air pollution is someway related to the water pollution and the soil pollution too. However, C is the best answer for this question.

....

Hope this answer can help you. Have a nice day!

Geothermal energy is a practical, renewable energy source that works best when magma pools are close to the Earth's surface. Contrary to the false statement, it is most effective in volcanically active areas.

In assessing the statements about geothermal energy, the untrue statement is: a. it is not a practical source of energy. In reality, geothermal energy is highly practical, particularly in regions where volcanic activity or other heat sources exist near the Earth's surface. Geothermal energy is a renewable source of energy because it is constantly replenished by the heat generated by the Earth's core. This heat is used to produce steam, which then powers turbines to generate electricity. Geothermal energy works best when the magma, or molten rock, pool is close to the Earth's surface, making statement c is also correct. Therefore, geothermal energy is not only a practical source of energy, but it is also renewable and advantageous in certain geographical settings, particularly those that are volcanically active (statement b).

https://brainly.com/question/1061324

#SPJ6

Answer: 4 : 0  (long spines to short spines)

Explanation:

Dominant allele: L

Recessive allele: l

When is there at least one dominant allele in the phenotype it shows the dominant trait (long spines)

There has to be two recessive alleles to make the phenotype the recessive trait (short spines).

Therefore since there is one L in every box, all of the offspring will show the dominant trait (long spines).

Hope that helps!

Answer:

It's c (13)

12 is Freezing

Explanation:

Answer:food

Explanation:cause

Answer:

The law of conservation of mass states that in a chemical reaction, mass is neither created nor destroyed.Carbon dioxide becomes glucose and oxygen during photosynthesis.

The gravitational potential energy of the ball decreases as it rolls down the hill while the gravitational kinetic energy of the ball increases due to its acceleration in velocity.

Answer:

The battery is the set of vertical lines at the bottom, so there's one battery.

The switches are the line between the small circles (they're closed here) there are 2 of them.  

The circles with Xs inside are bulbs.  

So B is correct.

In this circuit diagram, one battery, two switches, and three light bulbs are shown.

What are the characteristic features of circuit diagram?

A circuit diagram is a graphical representation of an electrical circuit. A pictorial circuit diagram uses simple images of components, while a schematic diagram shows the components.

A circuit diagram is a simplified graphical representation of an electrical circuit. Circuit diagrams are used for the design, construction and maintenance of electrical and electronic equipment.

There are 6 types of circuit diagrams, namely: Block Diagram, Schematic Circuit Diagram, Pictorial Circuit Diagram, Single Line Circuit Diagram, Open Circuit Diagram and Closed Circuit Diagram.

Learn more about circuit diagram:

https://brainly.com/question/24090935

#SPJ5

Answer:

what

Explanation:

Answer:

hope this helps

Explanation:

Through sunspots that are centers of high magnetic field, that have 11 year cycles.

Explanation:

In the Sun, the flows of hot plasma in the convection zone create the solar magnetic field. This is sustained by nuclear fusion in the Sun. Sunspots are regions of very strong magnetic field that are perceptible on the Sun's surface or photo-sphere. The number of sunspots on the sun increase and decrease over time in a regular, approximately 11-year cycle, which is, in fact the solar magnetic activity cycle.

Answer:

Danaus plexippus is a scientific name of monarch butterfly. It is also known as simply monarch.

Explanation:

Actually the question is not that much clear. I think u meant this answer..

The scientific name was proposed by Carl Linnaeus as binomial nomenclature.

A scientific name is a universally accepted unique name that consists of a genus name followed by a specific epithet.

A dichotomous key is a method where the characteristics are asked and two choices are provided repeatedly.

Danaus plexippus- This is the scientific name of the monarch butterfly.

Sciurus carolinensis- This is the scientific name of the eastern gray squirrel.

Alces alces- This is the scientific name of moose or elk.

To learn more about scientific name, binomial nomenclature, and dichotomous key here,

https://brainly.com/question/9837065

#SPJ2

Answer:

D no part

Explanation:

The body only has eukaryotic cells!

Answer:

All of the above.

Explanation:

If the news reports are brief, they probably will leave out information. If the info comes from only one source, it may or may not be reliable.

Answer:

The first answer could be with ligaments

Answer:

C. Frequent high winds

Answer:

The 3 types of muscle tissue are cardiac, smooth, and skeletal.

Explanation:

Cardiac: Cardiac muscle cells are located in the walls of the heart, appear striated, and are under involuntary control.

Smooth: Smooth muscle (so-named because the cells do not have striations) is present in the walls of hollow organs like the urinary bladder, uterus, stomach, intestines, and in the walls of passageways, such as the arteries and veins of the circulatory system, and the tracts of the respiratory, urinary, and reproductive

Skeletal: Skeletal muscle is found between bones, and uses tendons to connect the epimysium to the periosteum, or outer covering, of bone.

Final answer:

The three types of muscles in the human body are skeletal muscles for voluntary movement, smooth muscles in internal organs for involuntary functions, and cardiac muscle found only in the heart. They differ by striation, control, and location.

Explanation:

The human body has three major types of muscle tissues: skeletal, smooth, and cardiac muscles. Each type has distinct characteristics and locations within the body.

Skeletal Muscles

Skeletal muscles are attached to bones and are responsible for voluntary movements. These muscles display a striped, or striated, appearance under a microscope and are usually under conscious control. Examples include the biceps and quadriceps

Smooth Muscles

Smooth muscles are found in the walls of internal organs such as the stomach, intestines, and blood vessels. They control involuntary movements and do not show striations, appearing smooth under a microscope.

Cardiac Muscle

The cardiac muscle is specialized muscle tissue found only in the heart. It is striated like skeletal muscle but operates involuntarily, controlling the heartbeat.

Striated muscles: Skeletal and cardiac muscles

Non-striated muscle: Smooth muscle

Voluntary muscle: Skeletal muscle

Involuntary muscles: Smooth and cardiac muscles

Both of the female's parents would've had to give her a recessive X chromosome in order for the allele to be expressed.

Final answer:

A female needs two copies of a recessive X-linked allele to express the associated trait, receiving one from each parent. Carrier females possess one mutant allele and one dominant allele, potentially exhibiting mild symptoms due to X chromosome inactivation.

Explanation:

For a recessive X-linked allele to be expressed in females, they must inherit two copies of the allele, one from each parent. If a female inherits just one recessive X-linked allele, she will be a carrier of the trait, but typically unaffected. This phenomenon is due to the fact that females have two X chromosomes, enabling them to carry a recessive allele without expressing the trait, provided their other X chromosome carries a dominant allele. However, carrier females have a chance of manifesting mild forms of the trait because of the random inactivation of one X chromosome in each cell, which could lead to cells expressing the recessive allele.

Examples of human sex-linked disorders include red-green color blindness and hemophilia. Males, who have only one X chromosome, will express the trait if they inherit one mutant X allele. In contrast, females must receive one recessive allele from each parent. As a result, X-linked recessive traits are more frequently seen in males than in females.

Answer:

usually yes

Explanation:

Taxonomy is the science of naming and classifying organisms based on structural and genetic evidence. It's a critical component of biology, helping to organize the evolutionary history of organisms. The modern taxonomic systems use genetic methods for a more precise classification.

Taxonomy is the science of naming and classifying organisms based on structural comparisons and genetic evidence. Swedish botanist Carolus Linnaeus was a key figure in the establishment of this system.

Taxonomy is a critical component of biological studies. It helps organize humans and their evolutionary ancestors, both spatially and temporally. Two types of evidence focused on in taxonomy are morphologic (form and function) and genetic.

In the modern era, genetic methods have become a standardized way to compare all living organisms, providing a more defined and accurate classification system. These methods have become integral to the science of taxonomy.

Organisms that share similar physical features and genomes are usually more closely related. Such overlapping features, known as homologous structures, stem from developmental similarities that are based on evolution.

https://brainly.com/question/33296668

#SPJ12

Answer: energy produced in the core travels through out the gases of Sun and takes about million years to reach its surface

Explanation:

Answer:

D. C=C

Explanation:

please give brainliest

Answer:

-energy source

-wires

-device that needs electrical energy

Explanation:

just did it on edg2020

An electric circuit is a loop network that provides a path for the flow of electric current. All circuits have an energy source, wires, and device that needs electrical energy in common.

An electric circuit is a path for the transmission of electric current. It includes a device that gives energy to a charged particle that constitutes the current.

There are usually the following components of an electric circuit:

Thus, the correct options are A, C, and D.

For more details regarding the electric circuit, visit:

https://brainly.com/question/21075693

#SPJ2

Answer:

Plants, animals, factories.

Explanation:

Plants and animals are living organisms that undergoes aerobic respiration that takes in Oxygen and released carbon dioxide.

Do not be mislead that plants do not give out CO2. During the night, when rate of photosynthesis is slower than rate of respiration, CO2 is released to the atmosphere and acts as a source of CO2.

Animals can only respirate and not photosynthesize. Hence, it is definitely a source of CO2

Factories are sources of CO2 assuming that their operations releases CO2 as by-product which is a very probable event for most factory operations.

Sunlight is a abiotic factor that does not cause CO2 to be released on its own to act as a source of CO2 in the atmosphere.

Plants, animals, and factories are sources of carbon dioxide in the atmosphere.

Plants, animals, and factories are significant sources of carbon dioxide emissions into the Earth's atmosphere. Plants play a dual role in the carbon cycle. During photosynthesis, they absorb CO2 and convert it into oxygen (O2) and organic carbon compounds, helping regulate atmospheric CO2 levels. However, when plants decay or burn, they release CO2 back into the atmosphere.

Animals, through respiration, release CO2 as a byproduct of metabolism. This carbon comes from the food they consume, and when they exhale, it contributes to atmospheric CO2 levels. Factories, particularly those burning fossil fuels for energy and industrial processes, release substantial amounts of CO2 as a result of combustion. These human activities significantly impact global carbon levels and contribute to climate change and global warming. Sustainable practices and reduced emissions are critical to mitigate these effects.

https://brainly.com/question/32421579

#SPJ2

Transcription begins when RNA polymerase binds to the promoter of the gene. It then works to assemble RNA nucleotides into a strand that complements the DNA template, till it reaches a termination sequence.

For transcription to begin in a cell, the first thing that needs to occur is that RNA polymerase attaches itself to the promoter of the gene. The promoter is a specific DNA sequence that indicates where the process of transcription should start. The RNA polymerase is an enzyme that carries out the process of transcription, forming a new mRNA molecule by reading the DNA strand.

https://brainly.com/question/32921071

#SPJ6

Answer:

b

Explanation:

Answer:

The third and second is the  correct!

Explanation:

For example, cooling water will cause it to become ice.

As for the second one, if you heat up liquid, the particles move faster, causing the liquid to evaporate and become a gas

Hope i helped! :3

had a brain fart, sorry, i fixed it

Answer:

D.

Explanation:

The proposal is not reasonable, because a theory is never reclassified as a law, nor is a law reclassified as a theory (Option D).

Scientific theories are scientifically sound explanations that were progressively tested and verified.

In conclusion, the proposal is not reasonable, because a theory is never reclassified as a law, nor is a law reclassified as a theory (Option D).

Learn more about scientific theories here:

https://brainly.com/question/11555274

#SPJ2

Answer:

C. UV rays reacting with the O2 molecules

Explanation:

Answer:

UV rays reacting with the O2 molecules

Explanation:

edmentum