Question

In human beings, the correct sequence of events during reproduction is​

Answer 1

Explanation:

Sexual reproduction is the process wherein gametes both from male and female fuse together to give rise to a new progeny.

Steps involved in sexual reproduction :

1. Male gametes are produced in male reproductive organ by the process called spermatogenesis in semeniferous tubules in gonads and female gametes are produced in female reproductive organ by the process called oogenesis in the ovaries. This process is called gametogenesis.

2. The sperm (male gamete) enters the ovum (female gamete) by rupturing the cell wall of ovum and releases its chromosomal material in the ovum. This process is called fertilization. Wherein the egg is fertilized by a sperm.

3. Fertilisation process brings together two sets of chromosome, one from female and one from male. Thereby forming a diploid cell called zygote. Hence called zygote formation.

4. The newly formed zygote undergoes many cycles of cell division passing the stages from morula, blastula and giving rise to a multicellular structure called embryo through the process called embryogenesis.

Answer 2

Answer:

sexual reproduction and asexual reproduction

Explanation:

In asexul reproduction we get method such as Budding, fragmentation,spore formation and vegetative reproduction

In sexual reproductionwe get method such as Cutting, folding, etc

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