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fridagal fridagal
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10 years ago
One character in peas that Mendel studied was yellow versus green seeds.
A cross between a homozygous yellow line (YY) and a homozygous green line (yy) will result in F1 plants that are heterozygous (Yy) for this trait and produce yellow seeds.

P-YY x yy
F1- Yy
F1 gametes ? ?

When an F1 plant undergoes meiosis, what gamete types will it produce, and in what proportions?
label each gamete possibility as “correct” or “incorrect.”

3/4 Y 1/4 y
1/2 Y 1/2 y
1/2 YY 1/2 yy
1/2 Yy 1/2 Yy
3/4 y 1/4 Y
1/2 y 1/2 y
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Staff Member
Educator
10 years ago
When an F1 plant undergoes meiosis, what gamete types will it produce, and in what proportions?
label each gamete possibility as “correct” or “incorrect.”

3/4 Y 1/4 y
1/2 Y 1/2 y
1/2 YY 1/2 yy
1/2 Yy 1/2 Yy
3/4 y 1/4 Y
1/2 y 1/2 y

An individual that is Yy can produce two gametes, one type contains Y, the other y. They will be produced in equal proportions. Only B is correct.
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Answer accepted by topic starter
ultihunterultihunter
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Posts: 5
10 years ago
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10 years ago
Thank you! Smiling Face with Open Mouth
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10 years ago
Thanks Smiling Face with Open Mouth
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10 years ago
Thanks so much. This was really helpful.
wrote...
9 years ago
here you go!
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