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(a) If a purple flowered pea plant (PP) is crossed with a white flowered pea plant (pp), will we have white flowered pea plant in F1 generation? Why or why not?

(b)What do you mean by dominant and recessive trait?

Asked by Topperlearning User 25th July 2017, 2:06 PM
Answered by Expert
Answer:

a) No.

This is because all the F1 progeny plants show the genetic make up 'Pp', which results in purple flowers, as 'P' purple coloured flower trait is dominant over the white trait.

b) Dominant trait is a genetic trait that is expressed even if there exists only one copy of that gene in the individual.

Recessive trait is a genetic trait that is expressed only when two copies of the gene are present.

Answered by Expert 25th July 2017, 4:06 PM
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