Sexual Reproduction In Flowering Plant Question 197
Question: If an angiospermic male plant is diploid and female plant tetraploid, the ploidy level of endosperm will be:
Options:
A) Haploid
B) Triploid
C) Tetraploid
D) Pentaploid
Show Answer
Answer:
Correct Answer: D
Solution:
[d] The male gamete will be haploid (n).
2 polar nuclei will be diploid (2n).
Endosperm formed fusion of male gamete with two polar nuclei will be pentaploid.
Male gamete + 2 polar nuclei $ n,(2n)+(2n) $ $ \to $ Endosperm (5n)