An allele of RNA polymerase in Drosophila demonstrates a recessive lethal inheritance pattern.Which of the following is true?
A)Two homozygous recessive parents will have 100% homozygous offspring.
B)The threshold effect is not seen in recessive lethality.
C)Two heterozygotes will have offspring with a 2:1 pattern.
D)Homozygous lethal genes will always demonstrate a gain of function pattern.
E)Homozygous recessive offspring will never be seen.

Question

Quizplus · Accepted Answer

Homozygous recessive offspring will never be seen because the recessive allele is lethal.

An Allele of RNA Polymerase in Drosophila Demonstrates a Recessive