WorksheetsSex-Linked Traits
Total questions: 8
Worksheet time: 4mins
How many pair of chromosomes are sex chromosomes?
3
4
2
1
What combination of sex chromosomes do men have
XX
YX
XY
What combination of sex chromosomes do women have?
XX
YX
XY
What is the probability of having a boy in any given pregnancy?
25%
50%
75%
100%
In fruit flies, eye color is sex linked. XR is for red eyes and Xr is for white eyes. Cross a white eyed male with a normal red eyed female. What percentage of males with have red eyes?
0%
50%
100%
In fruit flies, eye color is sex linked. XR is for red eyes and Xr is for white eyes. Cross a white eyed female with a red eyed male. How many children will have white eyes?
0%
25%
50%
100%
75%
In fruit flies, eye color is sex linked. XR is for red eyes and Xr is for white eyes. Cross a white eyed female with a red eyed male. How many girls will have white eyes?
0%
50%
100%
In fruit flies, eye color is sex linked. XR is for red eyes and Xr is for white eyes. Cross a heterozygous red eyed female with a white eyed male. What percentage of their children will have white eyes?
0%
25%
50%
75%
100%
