What percent of this pig population is heterozygous for white coat? 2. How many individuals out of this population of 1000 fruit flies would you expect to be homozygous for red eye color? 3. If the frequency of two alleles in a gene pool is 90% A and 10% a, what is the frequency of individuals in the population with the genotype Aa? 4. In a population that is in Hardy–Weinberg equilibrium, the frequency of the homozygous recessive genotype is 0.09. What is the frequency of individuals that are homozygous for the dominant allele?
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
|
Results |
q2 |
q |
p |
2pq |
|
Question 1 (for pig population) |
0.25 |
0.5 |
0.5 |
0.5 |
|
Question 2 (for fruit fly population) |
0.36 |
0.6 |
0.4 |
0.48 |
|
Question 3
|
0.01 |
0.1 |
0.9 |
0.18 |
|
Question 4
|
0.09 |
0.3 |
0.7 |
0.42 |
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- What percent of this pig population is heterozygous for white coat?
2. How many individuals out of this population of 1000 fruit flies would you expect to be homozygous for red eye color?
3. If the frequency of two alleles in a gene pool is 90% A and 10% a, what is the frequency of individuals in the population with the genotype Aa?
4. In a population that is in Hardy–Weinberg equilibrium, the frequency of the homozygous recessive genotype is 0.09. What is the frequency of individuals that are homozygous for the dominant allele?
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