Question

In Drosophila, alternate alleles of the X-linked gene white determine red eyes (w+) and white eyes (w). Alternate alleles of a second X-linked gene, yellow, determine brown body (y+) and yellow body (y). If the white and yellow genes are close together on the X chromosome, what will you see in the F2 male offspring in Cross Series A? Cross Series A P + + w y+ - + w y+ X - + w+ y ? ? F1 w y+ - + w+ y X w y+ ? ? F2 males w y+ w+ y w y w+ y+ Check All That Apply Flies with red eyes and brown bodies and flies with white eyes and yellow bodies will be the least frequent because they are recombinant. Flies with red eyes and yellow bodies will be the least frequent because they are recombinant. Flies with red eyes and brown bodies will be the most frequent because those traits are dominant. Flies with white eyes and brown bodies and flies with red eyes and yellow bodies will be the most frequent because they are parental. Flies with white eyes and yellow bodies will be the most frequent because those traits are recessive.

          In Drosophila, alternate alleles of the X-linked gene white determine red eyes (w+) and white eyes (w). Alternate alleles of a second X-linked gene, yellow, determine brown body (y+) and yellow body (y). If the white and yellow genes are close together on the X chromosome, what will you see in the F2 male offspring in Cross Series A?

Cross Series A
P
+ +
w y+
- +
w y+
X
- +
w+ y
?
?
F1
w y+
- +
w+ y
X
w y+
?
?
F2 males
w y+
w+ y
w y
w+ y+
Check All That Apply
Flies with red eyes and brown bodies and flies with white eyes and yellow bodies will be the least frequent because they are recombinant.
Flies with red eyes and yellow bodies will be the least frequent because they are recombinant.
Flies with red eyes and brown bodies will be the most frequent because those traits are dominant.
Flies with white eyes and brown bodies and flies with red eyes and yellow bodies will be the most frequent because they are parental.
Flies with white eyes and yellow bodies will be the most frequent because those traits are recessive.

In Drosophila, alternate alleles of the X-linked gene white determine red eyes (w+) and white eyes (w). Alternate alleles of a second X-linked gene, yellow, determine brown body (y+) and yellow body (y). If the white and yellow genes are close together on the X chromosome, what will you see in the F2 male offspring in Cross Series A?

Cross Series A
P
+ +
w y+
- +
w y+
X
- +
w+ y
?
?
F1
w y+
- +
w+ y
X
w y+
?
?
F2 males
w y+
w+ y
w y
w+ y+
Check All That Apply
Flies with red eyes and brown bodies and flies with white eyes and yellow bodies will be the least frequent because they are recombinant.
Flies with red eyes and yellow bodies will be the least frequent because they are recombinant.
Flies with red eyes and brown bodies will be the most frequent because those traits are dominant.
Flies with white eyes and brown bodies and flies with red eyes and yellow bodies will be the most frequent because they are parental.
Flies with white eyes and yellow bodies will be the most frequent because those traits are recessive.

Added by Rebecca D.

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