Question

You have been given three plants: Two have solid black flowers, and one has grey flowers. You cross each black-flowered plant to the grey plant with the following results Parents F1 black #1 X grey 87 solid black, 83 spotted black black #2 X grey all black To try and make sense of these results, you intercross the solid black-flowered F1 plants from cross #2 with the following results in the F2: 132 black 35 spotted black 11 grey Devise the best genetic explanation for these results. What phenotypic ratios would you have expected in the F2, given the best explanation? 13:3:1 , Not Selected 13:4:1 , Not Selected 1:2:1 , Not Selected 12:4:3 , Not Selected 12:3:1 , Not Selected Incorrect answer: 9:3:3:1 3:1

          You have been given three plants: Two have solid black flowers, and one has grey flowers. You cross each black-flowered plant to the grey plant with the following results
Parents
F1
black #1 X grey
87 solid black, 83 spotted black
black #2 X grey
all black
To try and make sense of these results, you intercross the solid black-flowered F1 plants from cross #2 with the following results in the F2:
132 black
35 spotted black
11 grey
Devise the best genetic explanation for these results. What phenotypic ratios would you have expected in the F2, given the best explanation?
13:3:1
, Not Selected
13:4:1
, Not Selected
1:2:1
, Not Selected
12:4:3
, Not Selected
12:3:1
, Not Selected
Incorrect answer:
9:3:3:1
3:1

Added by Mar-A W.

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