In mice, the recessive form of a gene causes the death of the fetus if present in the homozygous state. Mice heterozygous for this gene were crossbred. What percentage of the live offspring would be homozygous dominant? A) A 0 % B) B 25 % C) C 33 % D) D 50 % E) E 66 %

In mice, the allele for black fur is dominant to the allele for brown fur. If a male heterozygous black mouse is crossed with a female brown mouse, what percentage of the F1 offspring do you predict will be homozygous? (Enter the number only without the percent sign, e.g., enter 100% as 100 and enter 12.5% as 12.5)

In mice yellow (Y) is dominant to grey (y) coat color. However, the homozygous dominant genotype (YY) is lethal.If you cross two yellow mice, what proportion of the F1 offspring will be yellow?Group of answer choices3/42/31/3

If both parents are heterozygous for an autosomal dominant condition, what is the probability of an offspring inheriting the disease? You might like to draw a Punnet square to help work out the answer.Group of answer choices25%75%50%0%

In a classic experiment, a cross between two dark-pigmented mice produced both dark- and light-pigmented offspring. Dark pigmented was thought to be due to the autosomal dominant allele D, while light pigmented was due to the autosomal recessive allele d. The dark-pigmented parental mice were known to be heterozygous. For this cross, the ratio of offspring phenotypes was 2 dark pigmented: 1 light pigmented. Which genotype resulting from this cross would not survive?Multiple choice question.DdDDdd

Two parents are unaffected by an autosomal dominant disorder. What is the probability that their offspring will be affected?Group of answer choices0%50%75%25%