Lecture 3

Question 1

Carrier

Answer 1

An individual that has inherited a genetic trait, but does not display the trait in their phenotype

Question 2

Modern Synthesis of Darwin’s Conditions for Natural Selection

Answer 2

(1) Variation in a population due to mutations and sexual reproduction
(2) Some variations are controlled by genes and kept intact as individuals pass their genes from one gen to the next
(3) Individuals with the best allele combinations for their environment survive

Question 3

Variation

Answer 3

Amount of spread about the mean

-can be quantified by variance and standard deviation

Question 4

Heritability

Answer 4

Proportion of phenotypic variation in a population that is attributable to genetic variation among individuals