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vladimir1956 [14]
3 years ago
7

Which of Thomas hunt Morgan‘s hypothesis was valid

Biology
2 answers:
Alexandra [31]3 years ago
7 0

Answer:

White eyes are lethal in male Drosophila was the hypothesis of Thomas hunt which was valid. Hence the answer is option B.

Explanation:

Thomas hunt Morgan was a famous American biologist. He was more famous because of his experiment on drosophila which contributed most of things about the lifestyle and health science in much of the findings about those insects.

He was also awarded by the Nobel prize for his works which was related to medicine in 1933.  He has also contributed many knowledge about the chromosome and heredity. he is finding is very helpful nowadays for the scientist and other biologist.

Leno4ka [110]3 years ago
5 0

Answer:

Option C, white eyes are homozygous recessive in femal Drosophila

Explanation:

Morgan's in his initial study crossed a white-eyed male fly with red-eyed females to see of the next generation has white eye. To his surprise, all the offspring in the next generation have red eye but somewhere he believed that might be these red eyed species have recessive white allele.  So he crossed the F1 generation species among themselves and found that in F2 generation 3 red eyed and 1 white eyed species is produced. The results were matching with the results obtained by Mendel’s pea plant experiment. But in case of Morgan, only males has white eye so to his surprise he first time observed a co-relation between a non sexual trait and gender of an individual . Later he crossed a white eyed male to a heterozygous red eyed female and found that the next generation has white eyed female

From this he concluded the following –  

a) The allele for white eye is not lethal neither in male nor in female and all sort of combinations are possible.

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