Human Reproduction Question 61
61. Sperm and egg nuclei fuse due to
[1990]
(a) base pairing of their DNA and RNA
(b) formation of hydrogen bonds
(c) mutual attraction
(d) attraction of their protoplasts
Show Answer
Answer : d
Hints & Solutions
(d) Sperm or male gamete fuses with egg or female gamete because of the attraction of their protoplast. Some chemicals are secreted by ovule or egg wall to attract the male gamete or sperm.
