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Question

Decide which of the following two were selected by Mendel as dominant traits —

(a) Length of stem – Long, Shape of seed — Round

(b) Position of flower — Terminal, Colour of flower — White

(c) Colour of the cotyledon — Green, Shape of seed — Wrinkled

(d) Length of stem – Dwarf, Shape of seed — Wrinkled

WBBSE Class X Life Science 03 (a) Heredity 01 Mark 2022

Answer

(a) Length of stem – Long, Shape of seed — Round

Explanation

Gregor Mendel selected traits that exhibited clear dominant and recessive patterns in pea plants. Long stem and round seed were dominant traits, while dwarf stem and wrinkled seed were recessive.

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