Question

How does fertilisation take place? Fertili-sation occurs once in a month. Comment.​

Answer 1

⚫Mechanism of fertilisation :

• Semen is deposited in vagina during intercourse.

• Sperms swim upward and reach Fallopian tube through uterus.

• Ovulation occurs and ovum is trapped by Fallopian funnel.

• Ovum reaches Fallopian tube by peristalsis.

• Sperm enters ovum with the help of enzyme hyaluronidase.

⚫Because only one ovum is released by human ovary in a month.

Hope it helps!! ❤✌

Answer 2

♠️ Fertilization ♠️

⏩ the process of fusion of a sperm with and ovum is called fertilization.

⏩ The ovum released by the earliest transported to the ampullary region.

where Fertilization take place . Fertilization can only occur if the ovum in sperms transport its 17 slip to the ampullary region.this is the reason why not all copulation lead to fertilization.

⏩ fertilization takes place only once in a month in human female because only one egg in released from ovary every month

⏩ I hope it help you