Moderate

How many types of gametes possible when RrYy is present?

Correct answer: D. 4

  • A. 1
  • B. 2
  • C. 3
  • D. 4

Explanation

Option D A plant with genotype RrYy, produce four types of gametes during fertilization. They are RY, Ry, rY, ry. So, the correct option is 'four'.

Last updated

About Inheritance

Mendel's laws explain segregation, independent assortment and the prediction of genetic ratios using alleles, genotypes and phenotypes. The chapter also covers linked genes, recombination and crossing over during meiosis, then applies pedigree reasoning to X-linked recessive traits, which show different inheritance patterns in males and females.

Practise Inheritance

1,238 free Inheritance MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions