Sexual Reproduction In Flowering Plant Question 187

Question: If the haploid number in a flowering plant is 14. What shall be the number of chromosomes integuments, antipodal cells, embryo, endosperm and nucellus respectively?

Options:

A) 14, 28, 7, 42, 21

B) 7, 14, 42, 28, 14

C) 28, 14, 28, 42, 28

D) 42, 28, 14, 28, 14

Show Answer

Answer:

Correct Answer: C

Solution:

[c] Integument is a diploid cell 2n = 2 x 14 = 28 Antipodal cells are haploid n = 14 Embryo is diploid
$ \therefore $ 2n = 2 x 14 = 28 Endosperm is triploid
$ \therefore $ 3n = 3 x 14 = 42 Nucellus is diploid
$ \therefore $ 2n = 2 x 14 = 28