A test cross is defined as: | vedclass

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(D) test cross is a genetic cross between an individual showing a dominant phenotype (whose genotype is unknown) and a homozygous recessive individual

Vedclass · Accepted Answer

$Tt 	imes tt$

Vedclass · Answer

(D) test cross is a genetic cross between an individual showing a dominant phenotype (whose genotype is unknown) and a homozygous recessive individual.In the context of a monohybrid cross involving height,where $T$ is dominant (tall) and $t$ is recessive (dwarf),the test cross involves crossing an individual of unknown genotype (either $TT$ or $Tt$) with a homozygous recessive individual $(tt)$.Therefore,the cross $Tt 	imes tt$ is a classic example of a test cross used to determine the zygosity of the dominant phenotype.

$A$ test cross is defined as:

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