Review Flashcards
Continuous characteristics
Various degrees of a characteristic
Color, weight, etc
Discontinuous Characteristics
One or the other
Tall or short, etc
Continuous Characteristics are inherited in a way that ____ follow Mendells principles
Do
How many DNA molecules are there in each chromosome during the G2 phase?
2
Pleiotropy
One gene; many traits
Polygenic
One trait; many genes
From monohybrid crosses, Mendel proposed
The principle of segregation
Conditional probability
Pedigree
Want to know if individual is a carrier
Dominant alleles are
SOMETIMES wild type alleles
Aa can be written as
A/a
Pseudoautosomal Region
Small regions of X and Y chromosomes that are homologous
Segregation
Separation of pairs of alleles during gamete formation
Genes on the same chromosome _____ assort independently
Usually
Xist gene
Is active only on the largely inactive X chromosome
Incomplete penetrance
Is seen whenever a gene has two alleles
Incomplete penetrance
The situation in which the phenotype associated with a genotype may or may not be expressed
Sex Linked Trait
Only one that deals with chromosomes
Sex Influenced Trait
Beards in goats
Sex Limited trait
Only in one sex
The terms Continuous Characteristics and _____ are often used interchangeably
Quantitative Characteristics