Heredity and Punnett Squares Flashcard 2

Front

What are the different versions of a gene called?

Back

Alleles

Front

In a Punnett square, what is the probability of getting white fur if B = brown fur and b = white fur?

Back

50%

Front

If Mark is heterozygous for hair color, and B is for brown hair while b is for blonde hair, what is Mark's genotype?

Back

Bb

Front

What is hair color an example of?

Back

Phenotype

Front

What trait will always be expressed if present because it masks the expression of others?

Back

Dominant

Front

What is the term for the genetic makeup of an organism?

Back

Genotype

Front

What is the term for the observable characteristics of an organism?

Back

Phenotype

Front

If an organism has two identical alleles for a trait, what is it called?

Back

Homozygous

Front

What is the term for an organism that has two different alleles for a trait?

Back

Heterozygous

Front

In a Punnett square, what does a capital letter represent?

Back

A dominant allele