"Heritability describes a proportion of difference among people that is attributed to genetics."
Definition of Heritability: Heritability is a statistical measure that ranges from 0 to 1 (or 0% to 100%). A heritability of 0 indicates that genetic factors play no role in the observed variation, while a heritability of 1 indicates that all the observed variation is due to genetic differences.
Partitioning Variation: In the context of heritability, the goal is to understand the relative contributions of genetic and environmental factors to individual differences in a trait.
Interplay of Genetics and Environment: It's crucial to understand that heritability does not imply that a specific percentage of an individual's trait is due to genetics. Rather, it provides information about the relative importance of genetic factors in explaining population-level variability.
Context Dependence: Heritability can vary across populations and environments. A trait may have different heritability estimates in different populations or under different environmental conditions.
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A minimum change in sensory intensity that is noticeable to an observer and can be coded into neural messages is known as the
Bioavailability is defined as the degree to which an ingested nutrient is absorbed and so is available to the body.
Answer:
True.
Explanation:
Bioavailability refers to the amount of nutrients absorbed and available for use by the body. This is because not all consumed nutrients are actually used, and there may be interactions between substances or between the nutrients in food themselves, which increase or decrease the utilization of these nutrients. These factors are very important since the combination of foods can influence the bioavailability of essential nutrients for health.
In the diet of children we have a classic example of low bioavailability: milk, which is a very common food in this age group, and is also an important source of calcium if consumed with or near the intake of iron source foods (meat, vegetables). greens, beets and beans), causes decreased use of iron. As a result, the child may have anemia, so these two sources should not be consumed together often.
Which of the following is a type of passive transport?
A. Proton pumps
B. Exocytosis
C. Osmosis
D. Endocytosis
Tropospheric ozone ________. protects earth from most of the harmful uv radiation binds with hemoglobin, preventing binding with oxygen in red blood cells is produced through the interaction of heat and uv light, with nitrogen oxides and carbon-containing compounds is a primary pollutant is caused by poor farming techniques
Tropospheric ozone is produced through the interaction of heat and UV light, with nitrogen oxides and carbon-containing compounds. Ozone is found in two different layers of the atmosphere, the troposphere and the stratosphere. The Stratospheric ozone is a good ozone, while Tropospheric ozone is a bad ozone.
Only 10% of the ozone in the earth's atmosphere is found in the troposphere. Ozone in the troposphere is one of the greenhouse gases.
Final answer:
Tropospheric ozone is produced by the reaction of sunlight, nitrogen oxides, and volatile organic compounds, forming a secondary pollutant that is harmful to health and the environment, unlike the protective ozone layer in the stratosphere.
Explanation:
Tropospheric ozone is produced through the interaction of heat and UV light, with nitrogen oxides and carbon-containing compounds. Unlike stratospheric ozone, which forms a protective layer high above the Earth that absorbs most of the sun's harmful ultraviolet radiation, ozone at the ground level in the troposphere does not serve this protective role. In fact, tropospheric ozone can be harmful to human health, plants, and the environment. It is considered a secondary pollutant because it is not emitted directly into the air but is formed when nitrogen oxides (NOₓ) and volatile organic compounds (VOCs) react in the presence of sunlight. Health issues associated with exposure to high levels of tropospheric ozone include respiratory problems, such as asthma and reduced lung function, while it can also harm vegetation and ecosystems.
A split-brain client is shown a frog in her right visual field. she is asked to identify what she sees. she most likely will be able to
Balance the equation:
Cd + H2SO4→ __CdSO4 + H2
a. 1
b. 2
c. 3
d. 4
22. What is biology and why is it important to you as a healthcare professional
Why do you think nonvascular plants still exist on earth today?
A student used a ruler to measure a pencil, as shown below: A pencil beside a metric ruler. The ruler is scaled from 1 centimeter to 10 centimeters, with markings for millimeters between each number. One end of the pencil is beside the 0 on the ruler, and the pencil point is midway between the 5 and 6. © 2010 Jupiterimages Corporation Which of the following measurements is both accurate and precise?
the measurement from the ruler states that the pencil is 5.5 centimeters long. so the missing options in this question would be,
55 mm
5 cm
44 mm
6 cm
so 55 mm in centimeters is 5.5 cm, so your answer would be 55 mm.
hope i helped. :)
our elements that comprise over 95% of the human body are _____. carbon, phosphorus, oxygen, hydrogen calcium, phosphorus, hydrogen, nitrogen carbon, hydrogen, oxygen, nitrogen calcium, hydrogen, oxygen, nitrogen
ATP molecules, which are used for energy by cells, are built during all three stages of cellular respiration. Which stage of cellular respiration generates the most ATP molecules? The Krebs cycle O Glycolysis O The electron transport chain O Fermentation OThe electron transport chain
certain species of what are now recognized as indicators of environmental pollution
Answer:
The correct answer is lichens.
Explanation:
Lichens are a symbiotic association between the fungi and algae. The lichens are bioindicators, that is, they are very subtle to atmospheric pollution like nitrogen as they obtain all their water and nutrients from dry and wet atmospheric deposition. The deposition of nitrogen can enhance the nutrients load.
Some of the species of lichens are more forbearing to nitrogen in comparison to others. The communities of lichens are monitored by the scientists, that is, if an enhancement in nitrogen tolerant species in association with a reduction in nitrogen sensitive species takes place, it suggests that there is an elevation in atmospheric nitrogen deposition.
describe some of the contradictory forces you are aware of in your life that make sexual development difficult
Societal biases, personal uncertainty, and challenges faced during adolescence can make sexual development difficult.
Explanation:Some contradictory forces that can make sexual development difficult include societal biases, personal uncertainty, and challenges faced during adolescence. Society's biases against certain sexual orientations can lead to questioning and difficulty accepting one's own sexual orientation. This can cause feelings of guilt, rejection, and uncertainty. Additionally, the challenging and uncertain nature of adolescence can make sexual development more difficult, as feelings of different or changing orientation or nonconformity may add to the overall challenges faced during this time.
A mutation in human atpase 6 (which corresponds to
e. coli subunit
a.from leucine to arginine at position 156 may allow the movement of protons across the membrane, but not the rotation of the ring of c subunits. how might this possible mechanism affect the function of atp synthase
A mutation in human ATPase 6 from leucine to arginine at position 156 may allow the movements of protons across the membrane, but not rotating of the ring of c subunits.
This possible mechanism affect the function of ATP synthase because there would be an uncoupling of proton translocation and ATP synthesis. ATP synthase would remain sensitive to F0 proton conduction inhibitors
Predict what might happen if the broad ligament and other supporting ligaments were damaged by infection or injury
If the broad ligament and other supporting ligaments were damaged by infection or injury, this incident may cause to permanent damage or worse even death. This can even lead to infertility because broad ligament is the tissue that stabilizes the uterus, liver and diaphragm.
"which water-soluble compound is considered a conditionally essential nutrient for infants"
2. Which organisms utilize a one-way air flow through their lungs to maximize air flow efficiency and oxygen consumption? A. Amphibians B. Fish C. Mammals D. Birds
The correct answer is option D, that is, birds.
Birds are the species that uses a one-path air flow via the lungs to enhance the efficiency of air flow and consumption of oxygen. The flow of air in birds plays an essential function at the time of flying. In addition, greater oxygen consumption and airflow efficiency are required by the birds as their heart pumps briskly in order to tackle the flapping of wings that make them fly.
If the diameter of an atom is 1 × 10-8 cm, what is the approximate diameter of its nucleus
The largest layer (by volume) of earth, ____, is composed primarily of _____.
Identify two oral conditions related to nutritional factors
Nutritional factors can impact oral health, particularly with dental caries and periodontal disease, which can lead to difficulties in eating and potential malnutrition, especially in the elderly.
Two oral conditions related to nutritional factors are dental caries (tooth decay) and periodontal disease (gum disease).
Dental Caries
Dental caries is caused by the interaction of bacteria, food, saliva, and the acid they produce, which can erode the enamel of teeth. Diets high in sugars and starches increase the risk of tooth decay, as they provide more substrates for bacterial acid production.
Periodontal Disease
Periodontal disease, an infection of the structures around the teeth, is also influenced by nutrition. A deficiency in certain nutrients, such as vitamin C, can impede the body's ability to maintain healthy gum tissue and increase susceptibility to periodontal disease.
Nutritional imbalances can lead to these and other oral conditions, which in turn can affect overall nutritional status by making it difficult for individuals, particularly the elderly, to consume a balanced diet, thereby potentially leading to malnutrition.
Did the phylogenies of the different islands support the theory that one colonization followed by adaptive radiation and convergent evolution occurred?
Adaptive radiation is recognized as one of the most important processes responsible for the origin of biological diversity. Convergent evolution occurs when species have different ancestral origins but have developed similar features.
using your text, compare oxygen, sodium, nitrogen, and neon. which atom has the greatest capacity to gain electrons
If the recessive allele for an x-linked recessive disease in humans has a frequency of 0.02 in the population, what proportion of individuals in the population will have the disease? assume that the population is 50 : 50 male:female.
To have the disease, males need only one copy of the affected X.
So, the frequency of affected males will be the frequency of the disease allele = 0.02
Females must inherit two copies and be homozygotes, so the frequency of affected females will be the double of frequency of the disease allele = (0.02)
Since the ratio between female and male is 50:50 that is half of the population is male and half female
Then the overall frequency of the disease will be,
(0.5) (0.02) + (0.5) (0.0004) = 0.01 + 0.0002
Thus, the frequency of affected individuals in this population is 0.0102.
Vascular dementia:
a. is a result of many small strokes
b. is what was once called amnestic infarct dementia
c. responds to the same treatments as alzheimers disease
d. affects more women than men
The charge that a neuron at rest maintains is due to the presence of a high number of _________ charged ions inside the neuron's membrane.
What type of active transport helps muscle cells contract?
Which normal cell characteristic is represented by the production of insulin in the beta cells of the pancreas?
The normal cell characteristic which is represented by the production of insulin in the beta cells of the pancreas is performance of a differentiated function.
Insulin is produced by beta cells of the pancreas for storing and disposing of glucose in various parts of the body. Although gene for insulin production is present in all cells but it is expressed only in the beta cells and this activity is a differentiated function of the beta cells of pancreas only.
You are charged with securing a site to build a wind farm. As you survey different potential sites, you look for the one that:
a. is densely populated.
b. has hurricane force winds for one-fourth of the year.
c. experiences wind consistently through the year.
d. is closest to the equator for maximum sun exposure
Answer:
C.
Explanation:
got it right on odyssey
Phylogenetic trees constructed from evidence from molecular systematics are based on similarities in _____.morphologythe pattern of embryological developmentbiochemical pathwaysmutations to homologous genestranscribed proteins
Imagine a population of rabbits with fur color that ranges from black to white. If this population were put in an area that has dark rocks that camouflage the black rabbits, as well as light stones that hide the white rabbits, what would most likely happen to the gray rabbits?
Gray rabbits would blend into either environment.
Gray rabbits would adapt to have black fur.
Gray rabbits would be eliminated by predators.
Gray rabbits would mutate to white fur.
Answer:
Gray rabbits would be eliminated by predators.
Explanation:
Camouflage is a defense mechanism in which a prey blends with the color of its background so that it could evade a possible attack by its predator. In the area described in this question, the black rabbits will not be easily visible to the predator because of the presence of black rocks while light stones will provide aegis to white rabbits. But, due to the lack of any grey background in the area, grey rabbits will be easily visible to the predators as a result of which they will be eliminated from the area.