Principle Of Inheritance And Variation Question 408
Question: Two organisms that are true-breeding for a certain genetic characteristic are mated and their offspring were analysed. Which of the following statements about this situation is correct?
Options:
A) Both parents are homozygotes.
B) The offspring are either all homozygotes or all heterozygotes.
C) The offspring represent the $ F_1 $ generation and the gametes produced by the offspring will carry only one allele for this gene.
D) All of the above
Show Answer
Answer:
Correct Answer: D
Solution:
[d] Given that both parents are true-breeding, the cross must be either AA x AA, AA x aa, or aa x aa.
If you work out these crosses, you will see that all of the possible answers are true for each possible situation.
BETA
