Heredity and Punnett Squares

Front

What is a dominant trait?

Back

A dominant trait is a characteristic that will always be expressed if present, masking the expression of other traits.

Front

What is the genotype for heterozygous course hair?

Back

Hh

Front

What is the phenotype for the genotype Bb, where B is brown hair and b is blonde hair?

Back

Brown Hair

Front

What is Mark's genotype if he is heterozygous for hair color with B for brown hair and b for blonde hair?

Back

Bb

Front

What do the genotypes AA and Aa always show up as?

Back

Dominant

Front

What is a recessive trait?

Back

A recessive trait is a characteristic that is masked by a dominant trait and only expressed when two recessive alleles are present.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup (alleles) of an organism, while phenotype refers to the observable traits or characteristics.

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene, such as AA or aa.

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene, such as Aa.

Front

If a plant has the genotype Tt, what are the possible gametes it can produce?

Back

T and t.