Punnett Squares 2

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

What ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? Options: 0 in 4, 1 in 4, 2 in 4, 4 in 4

Back

0 in 4

Front

What is the phenotype of the offspring? (A-Brown hair; a-blond hair) Options: 50% Brown Hair and 50% Blond Hair, 25% Brown Hair and 75% Blond Hair, 75% Brown Hair and 25% Blond Hair, 0% Brown Hair and 100% Blond Hair

Back

75% Brown Hair and 25% Blond Hair

Front

A homozygous dominant brown mouse is crossed with a heterozygous brown mouse (tan is the recessive color).

Back

100% brown

Front

What allele combination should go in the missing box?

Back

Aa

Front

What belongs in Box 2? Options:

y

,

Y

,

YY

,

yy

Back

y

Front

What belongs in Box 4? Options: Y, YY, Yy, yy

Back

YY

Front

What belongs in Box 8? Options: Y, YY, Yy, yy

Back

Yy

Front

What belongs in box 1? Options: F, f, FF, Ff

Back

F