Quantcast

A community for students. Sign up today!

Here's the question you clicked on:

55 members online
  • 0 replying
  • 0 viewing

lizzybug956

  • 2 years ago

n fruit flies, the allele for white eyes is recessive to the allele for red eyes. In a generation of fruit flies, 45 males with white eyes, 46 females with white eyes, 44 males with red eyes, and 47 females with red eyes are produced. Which of the following is the best conclusion you can make about the parents of this generation? One parent was heterozygous for eye color and the other was homozygous with red eyes. Both parents were homozygous with red eyes. One parent had white eyes and the other was heterozygous for eye color. Both parents were heterozygous for eye color.

  • This Question is Closed
  1. yukitou
    • 2 years ago
    Best Response
    You've already chosen the best response.
    Medals 4

    One parent had white eyes and the other was heterozygous for eye color. 45 males with white eyes, 46 females with white eyes, 44 males with red eyes, and 47 females with red eyes are produced. So the ratio is roughly 1:1:1:1. Eye colour in fruit flies is a sex-linked inheritance. You can use punnett square to get a clear image on the parent's genotype. Let us analyse the offspring genotypes. Since there is white eye males, the white eye male inherits Y chromosome from the father so it inherits X chromosome with recessive allele from the mother. So the mother has a recessive allele in her genotype. There is also red eye male offspring. It inherit Y chromosome from the father and the X chromosome with dominant allele from the mother. The mother has a dominant allele. Now you can know that the mother is heterozygous and has red eye. There is white eye female offspring. The offspring must inherit 2 recessive alleles from the parents. One from the mother, the another one must come from the father. The father has the recessive allele and the Y chromosome. I hope this helps.

  2. Not the answer you are looking for?
    Search for more explanations.

    • Attachments:

Ask your own question

Ask a Question
Find more explanations on OpenStudy

Your question is ready. Sign up for free to start getting answers.

spraguer (Moderator)
5 → View Detailed Profile

is replying to Can someone tell me what button the professor is hitting...

23

  • Teamwork 19 Teammate
  • Problem Solving 19 Hero
  • You have blocked this person.
  • ✔ You're a fan Checking fan status...

Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.

This is the testimonial you wrote.
You haven't written a testimonial for Owlfred.