Why Are Lethal Alleles Usually Recessive

question 6

Multiple Choice

Why are lethal alleles usually recessive?

• A) Dominant lethal alleles are very uncommon but recessive lethal alleles are very common
• B) Lethal alleles prevent an organism reproducing
• C) Lethal alleles are usually dominant rather than recessive
• D) Recessive lethal alleles can be passed from generation to generation but dominant lethal alleles are not inherited.

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Definitions:

Gender of Applicant

A variable or characteristic referring to whether an applicant identifies as male, female, or another gender, in contexts such as job applications.

IV × PV Design

A factorial experimental design involving an independent variable (IV) and a participant variable (PV), used to examine their interaction effects.

Participant Variable

A characteristic or attribute of the individuals participating in a study that can affect its outcome.

Manipulated Variable

The variable in an experiment that is systematically altered by the researcher to observe its effect on a dependent variable.