In Humans,if Nondisjunction Led to an Individual with a Genotype

question 8

Multiple Choice

In humans,if nondisjunction led to an individual with a genotype of XO,that person would

• A)be female because each cell lacks a Y chromosome.
• B)be male because each cell has only one X chromosome.
• C)display both male and female characteristics.
• D)not survive.

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Definitions:

Gene Duplication

The process by which a segment of DNA is copied resulting in multiple copies of the same gene, contributing to genetic variation and evolution.

Gene Family

A set of several similar genes, formed by duplication of a single original gene, and generally associated with similar functions.

Gene Recruitment

The evolutionary process by which a gene acquires a new function, often through the duplication and divergence of existing genes.

Venom Evolution

The process by which animals develop venomous capabilities as a means of predation, defense, or competition, involving changes in venom composition and delivery mechanisms.