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Help me please, Test cross in plants or in Drosophila involves crossing

Test cross in plants or in Drosophila involves crossing

  • Option 1)

    between two genotypes with recessive trait

  • Option 2)

    between two F_{1}  hybrids

  • Option 3)

    the F_{1}  hybrid with a double recessivegenotype.

  • Option 4)

    between two genotypes with dominant trait

 
Answers (1)
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As learnt in

Test Cross -

To determine the genotype of a tall plant at F2 , Mendel crossed the tall plant from F2 with a dwarf plant.

- wherein

This is called test cross.

 

 Test cross is carried out by crossing a heterozygote with homozygous recessive.


Option 1)

between two genotypes with recessive trait

This option is incorrect

Option 2)

between two F_{1}  hybrids

This option is incorrect

Option 3)

the F_{1}  hybrid with a double recessivegenotype.

This option is correct

Option 4)

between two genotypes with dominant trait

This option is incorrect

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