Punnett Square Flashcard

Front

What are the possible genotypes for a cross between TT and tt?

Back

TT = 25%, Tt = 50%, tt = 25%.

Front

If something is heterozygous, it is also _____

Back

hybrid.

Front

What is the genotype of a white mouse with red eyes that is crossed with a black mouse with brown eyes, where the white mouse is recessive for both traits?

Back

BBEE x bbee.

Front

If brown eyes are dominant over blue eyes, what would be the parent genotypes if two heterozygous brown-eyed persons were crossed?

Back

Bb and Bb.

Front

Aa, DD, bB, yy are all examples of _____

Back

genotypes.

Front

What does a Punnett Square illustrate?

Back

The possible genetic combinations from a genetic cross.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

What does homozygous mean?

Back

Having two identical alleles for a particular gene.

Front

What does heterozygous mean?

Back

Having two different alleles for a particular gene.

Front

In a Punnett Square, what does each box represent?

Back

A possible genotype of the offspring.