Anonymous
Anonymous asked in Science & MathematicsBiology · 1 month ago

 what would be the likelihood that the progeny would be ALL SMOOTH?

2. In peas, smooth surface is dominant over wrinkled. You have crossed two true-breeding smooth peas, and self-fertilized the F1s. You then put all the SMOOTH F2 peas in a bag. If you were to pick a ONE random smooth pea from that bag and cross it to a wrinkled pea, what would be the likelihood that the progeny would be ALL SMOOTH?

a. 1/4 b. 1/3 c. 1/2 d. 2/3 e. 3/4

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  • 1 month ago

    Let's see.  You crossed two SS with each other and therefore your "F1" is all SS.

    The random pea you drew from the bag was SS.

    You cross that SS with a ww.

    All of the progeny would be all smooth Sw.

    f.  100%

    That's not among your choices.

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  • Zirp
    Lv 7
    1 month ago

    was there a copying error in your book? Crossing smooth true-breeding homozygotes produces smooth truebreeding homozygotes.

    Crossing one of those with a wrinkled one would  provide smooth heterozygotes

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