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:

Price Variances

Differences between the actual prices paid for goods or services and the expected or standard prices.

Quantity Variances

The difference between the expected amount of inputs needed for production and the actual amount used, often analyzed in cost accounting to assess efficiency.

Standard Costs

Predetermined or estimated costs of manufacturing, selling, or performing a service, used as targets and benchmarks against actual costs.

Direct Labor Rate Variance

The difference between the actual cost of direct labor and the expected (or standard) cost, based on the standard rate and actual hours worked.