194k views
1 vote
. In fruit flies, one genotype for red eyes is written XRXR. The R stands for the dominant allele for red eyes. What does the X stand for?

2 Answers

5 votes

Answer:

the male chromosome

Step-by-step explanation:

User Kevin Nielsen
by
5.2k points
4 votes
The X can possibly be the sex chromosome. Like for human female we have the XX chromosomes and when the allele is on the X chromosome we write as X with a R as the superscript on top right.
User Etherous
by
4.5k points