c is the answer
plato
Blood type in humans is an example of trait that has multiple alleles. The alleles for type A blood and type B blood are codominant, and type O blood is recessive to both type A and type B. If a girl with type AB blood has a brother with type O blood and a sister with type B blood, which of the following genotypes could it be possible for their parents to have?
AO and BO
AB and OO
AB and BO
AO and AB
The possible genotype is AO and BO.
An organism's genetic makeup is called its genotype, and it reflects all the alleles, or kinds of the gene, which are carried through the organism. Consequently, a test move can help determine whether a dominant phenotype is homozygous or heterozygous for a specific allele.
What are the 4 main blood groups?A person's blood type depends on the genes he inherited from his parents. ABO is the most well-known system for grouping blood groups, although there are other methods. There are four main groups in the ABO group: A, B, O, and AB. There are eight other blood groups in these groups.
More than 179 people in India are known to have Bombay blood type. If the organ donor belongs to the Bombay blood group, the donor liver must be free of A, B, and H antigens. In theory, the Bombay blood group donor can donate a liver to any blood group (universal donor).
A genetic cross between respective genotypes is shown below.
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Why is the tunica intima, the innermost layer of arteries and veins, made of epithelial cells?
Within a flock of birds, some birds have long narrow beaks, and other birds have short wide beaks. Environmental changes happen that make it harder for birds that have short wide beaks to find food. After several generations, most of the flock has long, narrow beaks. Which statement best describes the trait of the type of beak that a bird in this flock has?
A)Having a long, narrow beak is an inherited trait that is genetically passed down.
B)Having a long, narrow beak is an acquired trait that is determined by the availability of food.
C)Having a short, wide beak is an acquired trait that is found in birds that have learned to adapt to the environmental changes.
D)Having a short, wide beak is an inherited trait that is chosen by the bird as a result of its experiences.
Answer:
The correct answer is option A.
Explanation:
According to the given question environmental changes made it difficult for the birds with short and wide beaks to find food due to which their gene pool disappeared after few generations.
Environmental changes favoured the birds with long and narrow beaks due to which this trait was passed on to their generations and after few generation-long and narrow beak birds will dominate the niche. This is an example of genetic drift where the population has shown the directional shift.
Thus, option A is the correct option.
The scientific method can best be described as a plan of a set of
Starting in the spinal cord, trace a motor pathway to the adductor.
The following are the Spinal cord pathway, both sensory and motor.
peripheral nerve -> sensory pathway --> posterior root -> posterior horn -> anterior horn -> anterior root -> motor pathway
This is also the ascending and descending fiber pathways
* ascending / incoming / afferent / sensory pathways:
- sensory impulses carry different "feeling" (light touch, hot,
cold)
Fiber pathways from specific area of body
* outgoing / efferent / descending / motor pathways:
- cause muscles to act
- in white matter of spinal cord
- cross over from one side of body to another in different levels (what
effects in phenomenon of left-sided stroke affecting the right side of
the body)
what do genetics call alleles that are both expressed in the phenotype when they are together
The correct answer is:
codominance
Explanation:
Codominance is a kind of dominance wherein the alleles of a gene set in a heterozygote are fully represented. This results in offspring with a phenotype that is not dominant nor recessive. A typical example telling codominance is the ABO blood group system.
Over thousands of years a comet makes several circuits around the solar system. Describe how a comet might change after many trips near the sun
Based on the food chain below, if a bald eagle acquires 50 kg of energy, how much energy did the herbivorous duck get from the aquatic vegetation?
Answer: 50,000 kg should be the correct answer.
What happens to macromolecules from food during digestion?
Do all theories become laws? Explain.
The thin mantle of life that covers the Earth is called a(n): a. ecosystem. c. population. b. biome. d. biosphere.
All of the following are nonspecific defense responses made by the human body except
A. the skin as a physical barrier to pathogens.
B. mucus produced in the nasal and oral passages to trap pathogens.
C. wax produced in the ear to trap pathogens.
D. T-cells target specific pathogens.
Answer:
The correct is the answer is option D.
Explanation:
Non-specific defense response is the immune system that provides defense against more than one type of antigen or pathogen. The non-specific defense provides responses include physical barriers, protein defenses, cellular defenses, inflammation, and fever. Mucus in respiratory tracts and nose traps microbes and pathogens from invading the body.
Wax also captured foreign bodies and other pathogens from entering our ears. Non-specific defenses are surface coverage defenses.
T-cells are the specific white cells that target specific antigens or pathogens that are a specific defense provided by the specific immune system.
Thus, the correct answer is option D.
Please fill the answer:) The hot plates on an electric stove change ______ energy into ______ and a small amount of _____energy.
The hot plates on an electric stove change electrical energy into heat and a small amount of light energy.
Explanation:The hot plates on an electric stove change electrical energy into heat and a small amount of light energy.
An electric stove works by passing an electric current through a coil of wire in the heating element. This current produces heat due to resistance. The heat generated is then transferred to the pot and its contents, causing the food to cook.
Which of the following usually occurs with a short circuit
ANswer choices are:
a. All parts of the circuit will begin to carry higher amounts of current than normal.
b. The material within a fuse may begin to melt when the current ceases to exist.
c. All parts of the circuit will begin to carry lower amounts of current than normal.
d. Most of the current will flow through one part of the circuit.
____________________________________________________________
The correct answer is
a. All parts of the circuit will begin to carry higher amounts of current than normal.
Explanation:
When two or more than two conductors of different phases touch each other in a power line, the part of the impedance is shunted out of the circuit due to which a large current flow in the un-faulted phases, such current is called the short circuit current. Short circuit current decreases the impedance in the circuit while the current in the circuit increases.
a. All parts of the circuit will begin to carry higher amounts of current than normal.
Which process uses acetyl CoA as a reactant
Answer:
The Krebs cycle
Explanation:
Apex
two brothers inherit different sets of alleles from their parents. what effect will they have?
Two brothers who inherit different sets of alleles from their parents will likely have different Phenotypes.
What is a phenotype?The phenotype is described as the set of observable characteristics or traits of an organism.
The phenotype is the physical and/or physiological characteristics as a result of the two brothers who inherit different sets of alleles from their parents .
The specific effects will depend on the specific alleles they inherit and how they interact with each other. They might have different hair color, eye color, height, susceptibility to certain diseases, and so on.
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Two brothers inheriting different sets of alleles from their parents results in genetic variation, influencing different phenotypic traits. This variation can produce different genotypes and phenotypes in siblings, due to the segregation and possible recombination of alleles during gamete formation.
Explanation:When two brothers inherit different sets of alleles from their parents, it results in genetic variation between the siblings. This variation is fundamental to the diversity seen within a species. In terms of genetics and inheritance, if an individual with a cleft chin who is homozygous (BB) mates with an individual with a smooth chin, which is the recessive trait (bb), all their offspring will exhibit the dominant cleft chin phenotype. However, if the cleft-chinned individual is heterozygous (Bb), the offspring will have a 50% chance of a cleft chin and 50% chance of a smooth chin. This is because the phenomenon of alleles segregating during gamete formation—each parent contributing one allele to an offspring—can produce different genotypic combinations like BB, Bb, or bb, thereby influencing the offspring's phenotype.
In another example, two genes could either be linked, leading to parental types of gametes (AB or ab) or unlinked, giving rise to gametes like AB, Ab, aB, and ab in equal frequencies. When heterozygous individuals are crossed with homozygous recessive individuals, we can observe the occurrence of both parental and nonparental types, suggesting that while linkage is frequent, recombination also occurs. This illustrates how different allele combinations can produce varying genetic outcomes in siblings.
Science is best described as a
a
list of rules.
b
way of knowing.
c
collection of beliefs.
d
set of facts.
Science is best described as a set of facts. The correct option is d.
What is science?Science is the methodical, empirically-based pursuit and application of knowledge and understanding of the natural and social worlds.
In the best situations, it attains the higher degree of wisdom, which is philosophy's main goal.
Thought experiments are occasionally used in philosophy, but as they are conducted solely in the mind, they are not genuinely scientific.
An area of study that is not a science, particularly one that is not a natural science or a social science that is the subject of scientific investigation, is referred to as a "non-science." The best way to define science is as a body of facts.
Thus, the correct option is d.
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All of the following wavelengths can be seen by the human eye EXCEPT red light waves infrared waves blue light waves violet light waves
The human eye can see visible light in the range of 380 nm to 740 nm, which includes colors red through violet. The wavelengths outside this range, such as infrared waves, cannot be seen.
The human eye can see light with wavelengths that range from about 380 nm to 740 nm. This range includes the colors of the rainbow, which can be remembered by the mnemonic ROY G BIV - for Red, Orange, Yellow, Green, Blue, Indigo, and Violet. However, the wavelengths that fall outside of this visible spectrum, such as infrared waves, cannot be seen by the human eye. Infrared light has longer wavelengths than the visible red light, and humans perceive this as heat rather than light.
Visible light is composed of a spectrum of colors that include red light waves, blue light waves, and violet light waves. However, all wavelengths can't be seen by the human eye; specifically, infrared waves are outside the visible range. Thus, all of the listed wavelengths can be seen by the human eye except infrared waves.
Which of the following accurately describes the role of energy in cellular respiration?
energy is a reactant
energy is not a part of cellular respiration
energy is a product
none of the above
Answer:
The correct answer is option energy is a product.
Explanation:
Cellular respiration is a process in which oxidation of food or glucose takes place to produce energy. This process proceeds in four processes: glycolysis, oxidative carboxylation, Krebs cycle and electron transport chain.
All of this process produces energy in the form of ATP or energy equivalents like NADH and FADH₂.
1. Glycolysis produces- 2 ATP, 2 NADH,
2. Oxidative carboxylation produces- 2 NADH,
3. Krebs cycle produces- 2 ATP, 6 NADH AND 2 FADH₂ and
4. Electron transport chain produces at last- 24 ATP from these reducing equivalents.
Thus, option energy is a product is a correct option.
A fungus on the roots of a plant helps the plant absorb nutrients it needs from the soil, while the fungus gets what it needs from the plant. What type of symbiotic relationship is this?
The answer to this statement is Mutualism.
A symbiotic relationship in which one organism is benefited by the other organism and the other organism does the same to the organisms on it is mutualism. This is beneficial for both the organisms. The fungus on the roots of the plant helps in absorption of nutrients from soil, while the fungus fulfill its nutritional need from the plants.
Can anyone please help?
James is making models of plant and animal cells using objects supplied by his teacher to represent organelles. For one cell, he will place the objects in a shoebox. First he fills a balloon with water and places it in the shoe box. He also drops a handful of marbles into the box. Which statement most likely describes the structures he has represented so far? He is making an animal cell. The box is the cell membrane, and the balloon represents the large vacuole. The marbles are the endoplasmic reticulum. He is making a plant cell. The box is the cell wall, and the balloon represents the large vacuole. The marbles are the tiny ribosomes. He is making a plant cell. The box is the cell wall, and the balloon represents the nucleus. The marbles are the centrioles. He could be making either a plant or animal cell. The box is the cell wall, and the balloon represents the large vacuole. The marbles are the centrioles.
Answer:
B). He is making a plant cell. The box is the cell wall, and the balloon represents the large vacuole. The marbles are the tiny ribosomes.
Explanation:
I just took the test on Edge 2020
Select all that apply. Invertebrates have only nonspecific immunity, which means _____.
the body attacks anything foreign to the body
the body attacks particular foreign invaders
immunity is inborn or innate
immunity is adaptive
which carbohydrate are used as structural support instead of energy storage
Carbohydrates are used as fuels and building material, organic molecules made of sugars and their polymers that is large molecules consisting of many identical or similar subunits connected together through polymerization. Carbohydrates has three categories that is according to the number of simple sugars: (1) Mono saccharides (2) Oligo saccharides and (3) Polysaccharides. Polysaccharides is formed by enzyme-meditated condensation reactions and is stored in the muscle and liver of vertebrates. These are macromolecules that are polymers of a few hundred or thousand monosaccharides. Starch and glycogen are examples of polysaccharide that is use as energy storage while cellulose and chitin are polysaccharides that is use as structural support. Cellulose is a liner unbranched polymer of glucose most abundant organic molecule on the planet, reinforces plant cell walls and cannot be digested by most animals because they lack the enzyme that can hydrolyze the linkage in BLANK. While Chitin is a structural polysaccharide that is a polymer of an amino sugar, forms the exoskeleton of arthropods (insects, crawfish) and found in the cell walls of some fungi.
A picture of an organism's chromosomes is a
Answer:
A picture of an organism's chromosomes is a **karyotype**.
How many alleles are there for the four main types of human blood?
Answer:
3
Explanation:
What protein is often used in comparing biochemistry between species? Why is this protein used?
What season is in August
Scientists are able to use DNA to produce an identical copy of an organism in this procedure.
Artificial selection
Gene manipulation
Cloning
Genetic engineering
How are conditions of early Earth similar to the deep sea vents today?