A Mutation at a Single Locus Causes a Change in Many

question 1

Multiple Choice

A mutation at a single locus causes a change in many different characters. This an example of a(n) _______ effect.

• A) polygene
• B) epigenetic
• C) cytoplasmic
• D) multiple negativity
• E) pleiotropic

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Definitions:

Nurture

The process of caring for and encouraging the growth or development of someone or something.

Identical Human Twins

Twins who develop from a single fertilized egg that splits and forms two embryos, sharing the same genetic material.

Heterozygous

A genetic condition where an organism has two different alleles of a gene, one inherited from each parent.

Huntington Disease

A genetic disorder that causes the progressive breakdown of nerve cells in the brain, leading to physical and mental deterioration.