Heredity Practice (Punnett Squares)

Front

Probability of heterozygous offspring from Bb + bb parents.

Back

50%

Front

Results of a genetic cross between TT and Tt?

Back

TT, TT, Tt, Tt

Front

Genotypes for a tall plant (T) over a short plant (t)?

Back

TT, Tt

Front

What genotype would go in box 2? Options: BB, Bb, bb

Back

Bb

Front

Fruit flies can either have a brown body or a black body. The allele for a brown body is completely dominant over the allele for a black body. A brown fruit fly was crossed with a black fruit fly. What is the probability of a resulting offspring having a black body?

Back

0%

Front

Probability of short-tusked offspring from a heterozygous long-tusked elephant crossed with a homozygous recessive short-tusked elephant?

Back

50%

Front

Probability of purple-horned unicorn when heterozygous pink-horned unicorns are crossed?

Back

25%

Front

Can two heterozygous green-eyed sea monsters have a recessive blue-eyed baby sea monster? Options: Leonardo, Olivet, Both, Neither

Back

Olivet

Front

Probable genotypes of ewok parents when a brown-furred ewok has 12 babies with a black-furred ewok, resulting in 9 black-furred and 3 brown-furred babies.

Back

Bb and Bb

Front

Phenotype from crossing homozygous dominant purple-flowered pea plant with homozygous recessive white-flowered pea plant?

Back

Purple