Quick 10Q: Heredity

Front

In a monohybrid cross of complete dominance, what is the phenotypic ratio?

Back

3:1

Front

In a monohybrid cross of incomplete dominance, what is the phenotypic ratio?

Back

1:2:1

Front

In a dihybrid cross of complete dominance, what is the phenotypic ratio?

Back

9:3:3:1

Front

In a population of 100 offspring, how many would you expect to be homozygous dominant in a cross between a homozygous dominant and a homozygous recessive?

Back

0

Front

In a population of 200 offspring, how many would you expect to be homozygous recessive in a cross between a heterozygous and a homozygous recessive?

Back

100

Front

Probability of pink offspring in a cross between white (recessive) and red (dominant)?

Back

100%

Front

Probability of a red, axial offspring in a cross between a white, terminal (recessive) and red, axial (dominant)?

Back

9/16

Front

Probability of offspring with O blood from A and B blood cross?

Back

1/4

Front

In a cross between two roan cows, what is the probability of a white cow?

Back

1/4

Front

Identify which of the following descriptions about dominance are correct: Incomplete dominance involves the homozygous dominant and heterozygous looking the same., Incomplete dominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits., Codominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits, Codominance involves the homozygous dominant and heterozygous looking the same.

Back

Incomplete dominance involves the heterozygous offspring resulting in an intermediate between the two dominant traits.