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In fruit flies the coloration of tan with black stripes (B) is dominant to a solid black i body color (b). A biologist crosses a tan
male with black stripes and a female with a solid black body color.
Which stated observation can lead the biologist to the stated conclusion about the genotype of the male fruit fly in this
cross?
Observation: All the offspring are black
Conclusion: The male has two recessive alleles (bb).
Observation: Half the offspring are black.
Conclusion: The male has two dominant alleles (BB).
Observation: All the offspring are tan with black stripes.
Conclusion: The male has two dominant alleles (BB).
Observation: Most of the offspring are tan with black stripes,
Conclusion: The male has two dominant alleles (BB).

Sagot :

Answer:If you make a Punnett square, then you have all of the offspring having one dominant allele (the brown body color) and one recessive allele (the back body color).

Explanation:it is expert verified

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