Question

Genetics: X Linked Genes

In fruit flies, eye color is a sex linked trait
(R)
is a sex linked trait. Red is dominant to white.
1. What are the sexes and eye colors of
le sexes and eye colors of flies with the following genotypes:
XX
XRY
X 'Y

Answer 1

Step-by-step explanation:

X- linked genes are present on X chromosome and not on Y chromosome that’s why called as X-linked genes.

Red is dominant to white and this gene is X- linked gene so it will be present on X-chromosome.

XX Red eyes female

XRY Red eye male ( gene on X chromosome is dominant for red )

X 'Y white eyes male( recessive gene for white colour )