4
QuizMultiple Choice
Unit Test — Unit test
Question 4 • 2025-2026_MDCPS_2000315_Biology_1_A-CR
The results of Thomas Hunt Morgan’s last cross are shown in the Punnett square below. Which of Thomas Hunt Morgan's hypotheses was valid based on these results?
Answer
A
White eyes are lethal in female Drosophila.B
White eyes are lethal in male Drosophila.C
Female Drosophila with white eyes are homozygous recessive.D
White eyes are the dominant trait in female Drosophila.