Problem: Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a male having cinnabar eyes is crossed with a wild-type female, what percentage of the F1 males will have cinnabar eyes?A. 0%B. 25%C. 50%D. 75%E. 100%

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FREE Expert Solution

It is stated that the trait cinnabar eyes is sex-linked recessive. Thus, it is a recessive gene that is located in the sex chromosomes. If fruit flies have the same kind of sex chromosomes as that of humans, this trait is presumably in the X chromosome. That would also mean that males only need one copy of the allele while females need two in order to express the trait.

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Problem Details

Cinnabar eyes is a sex-linked recessive characteristic in fruit flies. If a male having cinnabar eyes is crossed with a wild-type female, what percentage of the F1 males will have cinnabar eyes?

A. 0%

B. 25%

C. 50%

D. 75%

E. 100%

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Chromosomal Theory of Inheritance concept. You can view video lessons to learn Chromosomal Theory of Inheritance. Or if you need more Chromosomal Theory of Inheritance practice, you can also practice Chromosomal Theory of Inheritance practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Yeargain's class at UCF.