Which of the following is a test cross?

Question

Which of the following is a test cross? (A)  Tt× tt  (B)  TT× tt  (C)  Tt× Tt  (D)  tt× tt

Tardigrade Admin · Accepted Answer

A test cross is a cross between heterozygous F 1 hybrid and double recessive homozygous eg, Tt × tt to show whether F 1 is homozygous or heterozygous.

Q. Which of the following is a test cross?

$Tt \times tt$

$TT \times tt$

$Tt \times Tt$

$tt \times tt$

A test cross is a cross between heterozygous $F_{1}$ hybrid and double recessive homozygous eg, $Tt \times tt$ to show whether $F_{1}$ is homozygous or heterozygous.

Q. Which of the following is a test cross?

Tt×tt

TT×tt

Tt×Tt

tt×tt

A test cross is a cross between heterozygous F1​ hybrid and double recessive homozygous eg, Tt×tt to show whether F1​ is homozygous or heterozygous.

$Tt \times tt$

$TT \times tt$

$Tt \times Tt$

$tt \times tt$

A test cross is a cross between heterozygous $F_{1}$ hybrid and double recessive homozygous eg, $Tt \times tt$ to show whether $F_{1}$ is homozygous or heterozygous.