WBBSEClass XLife Science03 (a) Heredity01 Mark2024 Easy

QQuestion

What are the dominant and recessive traits regarding the character related to the colour of flower of Pea plant?

(a) Purple and Green

(b) Purple and White

(c) White and Purple

(d) Purple and Yellow

Exam-ready answer 01 Mark

Answer

(b) Purple and White

Explanation:

In pea plants, the flower colour character has two contrasting traits: purple and white. Among these, purple flower colour is dominant, meaning it is expressed even when inherited in one copy. White flower colour is recessive and is expressed only when both alleles are for white flowers (homozygous recessive). This dominant-recessive inheritance pattern was first discovered by Gregor Mendel in his classic experiments on pea plants, forming the basis of Mendelian genetics.

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