An Allele of RNA Polymerase in Drosophila Demonstrates a Recessive

question 47

Multiple Choice

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.

---

Definitions:

Production Function

A mathematical representation of the relationship between input factors of production and the output of goods or services.

Marginal Product

The additional output that is produced as a result of using one more unit of a particular input, while keeping other inputs constant.

Marginal Product

The additional output resulting from the use of one more unit of a productive input, holding other inputs constant.

Production Function

An equation that describes the maximum output of a good achieved from a given number of inputs.