MCAS Review: Sex-Linked Problems
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Last updated over 1 year ago
12 questions

1
cross a white eyed female (XrXr) with a red eyed male (XRY)
cross a white eyed female (XrXr) with a red eyed male (XRY)
1
Look at #1, what percent of the offspring have red eyes?
Look at #1, what percent of the offspring have red eyes?

1
Cross a purebred red eyed female
(XRXR) and a white eyed male (XrY)
Cross a purebred red eyed female
(XRXR) and a white eyed male (XrY)
1
Look at #3, what percent will be white eyed male?
Look at #3, what percent will be white eyed male?
1
Look at #3, what percent will be red eyed male?
Look at #3, what percent will be red eyed male?
1
Look at #3, what percent will be white eyed female?
Look at #3, what percent will be white eyed female?
1
Look at #3, what percent will be red eyed female?
Look at #3, what percent will be red eyed female?

1
Number 8 to 12 are extra practice: You do not have to complete them, unless you need the practice.
Cross a heterozygous red eyed female (XRXr) and red eyed male (XRY)
Number 8 to 12 are extra practice: You do not have to complete them, unless you need the practice.
Cross a heterozygous red eyed female (XRXr) and red eyed male (XRY)
1
Look at #8, what percent is a white eyed male?
Look at #8, what percent is a white eyed male?
1
Look at #8, what percent is a red eyed male?
Look at #8, what percent is a red eyed male?
1
Look at #8, what percent is a white eyed female?
Look at #8, what percent is a white eyed female?
1
Look at #8, what percent is a red eyed female?
Look at #8, what percent is a red eyed female?