You have come into possession of a plant with lavender flowers. Knowing that the plant is self-pollinating, you harvest its seeds and plant them. Of the 106 plants that grow from these seeds, 31 have white flowers. Using a Punnett square, draw conclusions about the nature of the allele of lavender flowers.

The correct answer is -  heterozygous for lavender flowers (Ll)

Explanation:

As it is given that out of the 106 plants, 31 had white flowers which are approximately 3:1 or one-fourth, of the plants. It suggests that white flowers have recessive alleles (ll).

So, the color flower would be dominant for both allele LL or heterzygous Ll and the Punnett square should show the self-pollination

     L        l

L     LL      Ll

l     Ll       ll

It shows that the ratio of 3:1 is possible when there is a heterozygous condition of the flower allele present.

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