Punnett Square Practice

Front

Aa, DD, bB, yy are all examples of

Back

genotypes

Front

AA and Aa always show up as

Back

dominant

Front

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness?

Back

0 in 4

Front

Which of the following genotypes is homozygous dominant? Options: A, Aa, AA, aa

Back

AA

Front

Which of the following genotypes is heterozygous? Options: Bb, BB, bb, B

Back

Bb

Front

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

Back

dominant

Front

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

Back

25%

Front

B = brown fur  b = white fur
In the punnett square, what is the probability for white fur? Options: 0%, 25%, 50%, 75%

Back

50%

Front

Genotype for a yellow plant (G = green, g = yellow)

Back

gg

Front

T - tall and t = short
In the punnett square below, what belongs in the missing square?

Back

tt