gilmore1996
Answered

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If pink snapdragons of the F1 hybrids (RW) are crossed with red snapdragons of the parent plant (RR), what will be the ratio of flowers produced in 40 offspring?
30 pink flowers, 10 red flowers
20 pink flowers, 20 red flowers
10 pink flowers, 30 white flowers

Sagot :

kittymaniac
The traits here are codominant, as the combination of red and white alleles in the first snapdragon leads to a phenotype of a combination of red and white: pink.

Punnet squares are great for questions like these:
     R     W  
R| RR | RW |
R| RR | RW |

1/2 of the boxes are of the genotype RR, and half are RW. This means that 1/2 of the offspring will be RR (red), and 1/2 will be RW (pink).

Hope this helps! :)
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