2
QuizMultiple Choice

Introduction to Heredity

Question 2 • WI-Grade 8 Life Science A

A rose plant inherited two alleles for white flower petals.Which conclusion is best supported by the given information?

Answer
A
Each parent had at least one allele for white petals.
B
Each parent must have had more than one allele for white petals.
C
Only one parent had one allele for white petals.
D
Only one parent had two alleles for white petals.

Explanation

An offspring inherits one allele for a trait from each parent. Since the rose plant inherited two white-petal alleles, one white allele came from each parent. Therefore, each parent had at least one allele for white petals; neither parent needed to have two white alleles.

AI-written and checked against the verified answer.

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