Punnett Squares

Front

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

Back

dominant

Front

B=Brown fur
b=tan fur
What percent of the offspring would be tan when you cross BbxBb?

Back

25%

Front

Which of the following is homozygous recessive? Tt, tt, TT, T

Back

tt

Front

Aa, DD, bB, yy are all examples of

Back

genotypes

Front

Two heterozygous red flower (white flowers are recessive) are crossed. What is the phenotype?

Back

75% red and 25% white

Front

What is a Punnett Square?

Back

A diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles.

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

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

Back

B and b

Front

What is the phenotypic ratio of a monohybrid cross?

Back

3:1