A Mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers, but almost half of them were short. This suggested that the genetic make up (or genotype) of the tall parent can be depicted as:
(a) TTWW (b) TTww (c) TtWW (d) TtWw
Give reason for your choice.

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Solution

In this case there are two possibilities -

Possibility I - The genetic makeup of the tall parent can be TTWW.
Possibility II - The genetic makeup of the tall parent can be TtWW.

According to possibility I, if the tall parent has the genotype TTWW, then all the offsprings that are obtained will be tall bearing white flowers.

According to possibility II, if the tall parent has gentotype TtWW, then half the offsprings will be short bearing white flowers.

oSo, we can say that, the genotype of the tall parent would be TtWW.

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A Mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers, but almost half of them were short. This suggests that the genetic make-up of the tall parent can be depicted as

(a) TTWW

(b) TTww

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Q. A Mendelian experiment consisted of breeding tall pea plants bearing violet flowers with short pea plants bearing white flowers. The progeny all bore violet flowers, but almost half of them were short. This suggests that the genetic make-up of the tall parent can be depicted as

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F_{1}

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