Question

Which of the following represent a test cross?!
1)YYRR×yyrr
2)YyRr×YyRr
3)YyRr×yyrr
4)YyRr×YYRR


((No Spam please))​

Answer 1

$\huge \color{green} \tt{ ☑verified }$

Test crosses are used to test an individual's genotype by crossing it with an individual of a known genotype. Individuals that show the recessive phenotype are known to have a homozygous recessive genotype.The purpose of a test cross is to determine if this individual is homozygous dominant or heterozygous.

Answer: C.

Answer 2

Explanation:

Hey mate I know the answer.

The correct answer is option 1) YYRR×yyrr

hope it helps :)