Ch 28: Polygenetic Inheritance Flashcards
1
Q
Define polygenetic inheritance
A
transmission of traits that are governed by two or more genes
2
Q
Define quantitative trait locus (QTL)
A
location on a chromosome that affects the outcome of a quantitative trait
3
Q
___ generation is related to __ inheritance
A
continuous; polygenic
4
Q
What is the multiple factor/ gene hypothesis?
A
many genes contribute to phenotypes in a quantitative way
5
Q
number of additive alleles is equal to the number of __ in a ___
A
capital letters
genotype
6
Q
T/F: additive alleles is equal to probability
A
FALSE
7
Q
___ overlap = __ environmental overlap
A
more; greater
8
Q
What is the equation for determining the number of F2 phenotypic classes?
A
2n + 1
9
Q
What is the equation for determining the ratio of F2 individuals expressing either extreme phenotype?
A
1/4n
