The effect(s) of the environment on the variation seen in phenotypes include: influencing the heritability of the phenotype influencing the phenotype's response to selection allowing continuous phenotypic variance from a discrete genetic basis all of the above a) and b) only a) and c) only O b) and c) only

The effect(s) of the environment on the variation seen in phenotypes include: influencing the heritability of the phenotype influencing the phenotype's response to selection allowing continuous phenotypic variance from a discrete genetic basis all of the above a) and b) only a) and c) only O b) and c) only

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Description: The effect(s) of the environment on the variation seen in phenotypes include:influencing the heritability of the phenotypeinfluencing the phenotype's response to selectionallowing continuous phenotypic variance from a discrete genetic basisall of th

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter19: Population Genetics And Human Evolution

Section: Chapter Questions

Problem 9QP: Using the HardyWeinberg Law in Human Genetics Suppose you are monitoring the allelic and genotypic...

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In plants, a trait has a narrow-sense heritability of 0.75. This indicates a) the trait is inherited from a parent 75% of the time. b) the proportion of phenotypic variance due to environmental variance. c) the degree of inbreeding from artificial selection. d) the proportion of variance due to additive alleles.
a) To begin your analysis, state your null hypothesis. b) Perform a chi-square analysis. Make sure to analyze your traits to be consistent with the information provided. Clearly present your results in a table as shown in the attachement called Testing Genetics Ratios (Hint: should the traits be tested in males and females?) c) State the correct # of degrees of freedom, calculate the chi-square value and show the approximate p value. d) Make a statement of how the p value relates to whether you decided to reject or not reject, your null hypothesis. e) Finally, make a concluding statement about your original genetic hypothesis(es) based on chi-square analysis. Fully typed, organized correctly, correct spelling, and grammar. Genetic hypothesis for each allele: Trait: Leg length Hypothesis: The wild-type and mutant alleles for leg length are incomplete dominant relative to each other. Trait: Wing shape Hypothesis: There are two alleles for wing type, one dominant and one…
Which of the following is used to identify the chromosomal region(s) associated with a continuous trait? a) Narrow-sense heritability b) Twin studies O c) Correlation coefficient O d) QTL mapping
.A) To determine if a human trait is heritable, we would best study Group of answer choices. I think it's A. Please explain your answer I'm trying to understand the material a. monozygotic twins that were raised separately, in different environments. b. monozygotic twins that have been raised under similar conditions. c.only distantly related individuals. d. all males or all females. B). To say that a trait exhibits “high heritability” is to say that a. a given set of genes has no influence on a trait. b. there is no difference in genotype between members of the population at the loci in question. c. in a given environment and population, genetic differences have a high degree of influence on the trait compared to environmental influences. d. there is no difference in character between two individuals with the same genotype in question. C). If two populations with identical genetic makeup are raised in different environments, the narrow-sense heritability of a trait of…
Which of the following choices accurately describe what makes one person different from another with regard to traits (such as height) that have a very high heritability? Choose all that apply a) What makes us different is not that we have different genes, but that we have different alleles of many of those genes b) What makes us different from each other is that we have different genes from each other c) Random factors during development is the most significant causes of differences between people d) Most of us have exactly the same genes and alleles, and it’s the environment we were raised in that makes us different e) None of the other choices are accurate
1) Plumage colour in mallard ducks is controlled by a number of alleles at one locus. MR is the allele for restricted mallard pattern, M for mallard and m for dusky mallard. The dominance hierarchy is MR>M>m. Determine the genetotypic and phenotypic ratios for the following crosses a) MRMR X MRM b) MRMR X MⓇm c) MⓇM x MⓇm d) MⓇm x Mm e) Mm x mm
How can an allele exhibiting dominance generate both dominance variance (VD) and additive variance (VA)? Of the kinds of individual variation, which matter and why?
Two loci contribute to eyelash length in angora rabbits (locus A and B). Assuming additive genetic variance and disregarding environmental effects, you determine that the following alleles contribute the following values to the total expression of lash length (in cm) A = 2.3, a=1.5, B=2.4, b=1.7 What would the phenotype of a rabbit with a genotype of AABb be? _________cm
In domestic cats, the allele (L) is a dominant allele for short-hair trait. The recessive allele for long hair is (I). A female cat with a LI genotype has kittens with a male cat with a II genotype. What is the probability that a kitten has short hair? Hint: it may be helpful to draw a Punnett Square.
1. Starting with the individuals AAbbFFgg and aaBBffGG, where complete dominance and independent assortment occur for each pair of alleles, Fl and F2 generations are obtained. Give the probabilities for obtaining each of the following genotypes in the F2? a) AABBFFGG b) aabbffgg c) AaBbFfg
18. If a quantitative trait follows a continuum, this means that:
What is the frequency of the heterozygous genotype if the homozygous genotype frequencies are 0.1385 (BB) and 0.5897 (bb)?