Cross used to verify the unknown genotype of $F_{1}$ hybrid is a ........ cross.

Test

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Back

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Dihybrid

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Monohybird

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Solution

The correct option is D Test
The crossing of an F $_{1}$ progeny with a double (homozygous) recessive parental progeny is done in order to determine whether the progeny is homozygous or heterozygous for a character under consideration. This is called as test cross. It was first introduced by Gregor Mendel. Those that are heterozygous will have one dominant and one recessive allele individuals and those that are homozygous dominant will have two dominant alleles, and those that are homozygous recessive will have two recessive alleles.
Thus, the correct answer is option B.

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Similar questions

F_{1}

F_{1}

Select the correct pairs from the given options

A. Dihybrid cross – Independent assortment of characters

B. Back cross – $F_{1}$ hybrid crossed only to homozygous recessive parent

C. Monohybrid cross – Dominance-recessiveness

The genotype of $F_{1}$ hybrid produced by crossing pure yellow round seeded plant with green wrinkled seeded plant is ___.

A common test to find the genotype of a hybrid is by

(a)crossing one of the F₂ progeny with male parent.

(b)crossing one of the F₂ progeny with female parent

(c)studying the sexual behaviour of F₁progenies

(d)crossing of one F₁progeny with male parent

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