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An offspring produced out of two parental stocks differing in two characters is called as___________
Dimorphic
Dihybrid
Diploid
Polyploidy

A

Diploid

B

Dimorphic

C

Dihybrid

D

Polyploidy

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Solution

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Dihybrid organism is heterozygous for two different genes i.e. it carries contrasting alleles of two different genes.
For example, a tall plant with violet color flowers having genotype TtWw is a dihybrid as it carries both dominant and recessive alleles for two different traits (plant height and flower color).
Any trait or character which exhibits two distinct forms is said to be dimorphic. For example, plant height exhibits tallness and dwarfism and thus is a dimorphic trait.
A cell or organism carrying two complete sets of chromosomes is termed as diploid. For example, a human cell with two complete sets of 23 chromosomes i.e. 2n = 46 chromosomes is said to be diploid. The presence of more than two complete sets of chromosomes refers to as polyploidy.

Thus, the correct answer is option B.

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