In a Dihybrid Cross AA Bb × Aa BB, What

question 21

Multiple Choice

In a dihybrid cross AA bb × aa BB, what proportion of the F₂ offspring is expected to be homozygous for at least one gene?

• A)1/4
• B)1/2
• C)3/4
• D)All are homozygotes.
• E)None are homozygotes.

---

Definitions:

Occupational Development Theorist

A professional who studies and theorizes about the evolution of individuals' careers and work identities over the life span.

Donald Super

A psychologist known for his theories on careers and vocational development, emphasizing the role of self-concept in occupational choice and satisfaction.

John Holland

A psychologist known for his work in career and vocational psychology, particularly the Holland Codes for personality types and career alignment.

Divorce Rates

The statistical measurement of the number of divorces that occur within a population during a specific period of time.