12.23 12.27 12.29 12.34 12.34 continued 12.47 13.6 13.9 geneti- 12.23 In Drosoph

Question

12.23

12.27

12.29

12.34

12.34 continued

12.47

13.6

13.9

geneti- 12.23 In Drosophila, white eyes are an X-linked charac ter. The mutant allele for white eyes (w) is recessive to the wild-type allele for brick red eye color (w A white. somes, eyed female is crossed with a red-eyed male. An Fifemale from this cross is mated with her father, and an F, male is omes. mated with his mother. What will be the eye color of the of a offspring of these two crosses? How last *12.24 One form of color blindness (c) in humans is

Explanation / Answer

12.23

Answer:

XW= white eyed

Xw=red eyed

P1: XWXW (white eyed female)   x     XwY (red eyed male)

F1= XWXw (female), XWY (male)

F2= XWXw (female) x XwY (red eyed male)

XWXW (white female), XWY (white male), XwXw (red female), XwY (red male)

F2= XWXW (white eyed female) x XWY (male)

XWXW (white female), XWY (white male),

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