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alekssr [168]
3 years ago
8

If there are 200 short plants in the F2 generation from a cross that followed Mendel's methods, about how many plants will be ta

ll in that generation?
Biology
1 answer:
enyata [817]3 years ago
6 0

Answer:

F2 has 600 tall plants.

Explanation:

According to Mendel's concepts, the F2 generation is formed by crossing two heterozygous plants, that is, two plants with the Aa alleles. These plants have the genes for tall plants and short plants, although they are tall because of the dominant "A" allele. In the cross between these two plants, we will have an offspring formed by 25% of short plants (aa), 25% of hom0zygous tall plants (AA) and 50% of heterozygous tall plants (Aa). As we can see, there are 3 times as many tall plants as short plants in F2's offspring. Therefore, if there are 200 short plants in a population, to know the amount of tall plants, we must multiply this value by 3. By doing this multiplication, we will know that there are 600 tall plants in F2.

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