Question

# In summer squash, white fruits (W) are dominant to yellow fruits (w) while flat fruits (F)...

In summer squash, white fruits (W) are dominant to yellow fruits (w) while flat fruits (F) are dominant to rounded fruits (f). The selected parents are a white, flat fruit (WWFF) and a plant with yellow and rounded fruits.

A) For the F1 generation, what would the phenotypic and genotypic ratios?

B) For the F2 generation, what would the phenotypic ratio?

Parent 1 = white, flat fruit = WWFF
Parent 2 = yellow, rounded fruit = wwff
For the F1 generation
Parent 1 will produce all gametes = WF
Parent 2 will produce all gametes = wf
Therefore all offsprings = WwFf (white, flat fruit) ANSWER
For the F2 generation
F1 Parents will produce gametes = WF, Wf, wF, wf
Therefore offsprings will be:
.....// WF // Wf // wF // wf //

WF//WWFF//WWFf//WwFF//WwFf
Wf//WWFf//WWff//WwFf//Wwff
wF//WwFF//WwFf//wwFF//wwFf
wf//WwFf//Wwff//wwFf//wwff
Which translates to 9 white,flat : 3 yellow, flat: 3 white, round: 1 yellow, round ANSWER

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