Question

List any four steps involved in sexual reproduction and write 2 advantages

Answer 1

Answer:

The sexual reproduction refers to the process in which male and female gametes fuse together to form the zygote. Gametes may be produced by same individual ( as in hermophrodites) or separate individuals.

Sexual reproduction involves formation of gametes (gametogenesis) by parents usually through meiosis.

Then sexual fusion of two gametes occur. After fusion of gametes , zygote is formed which develops into embryo and then a whole individual through mitosis.

This type of reproduction produces offspring not identical to either of the two parents.

Advantages:-

1) much more variations are produced due to crossing over, combination and chance separation of genes.

2)more variations means it helps much more in directing evolution.

3) provides individuality to different organisms. 4)it maintains vigor and vitality of the individuals

5)enables more adaptability .

Hope it helps.

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Answer 2

The four steps involved in sexual reproduction are:-

1. Formation of gametes through meiosis.
2. Transfer of male gamete into the female body
3. Fusion of male and female gamete this process is known as fertilization
4. Formation of offspring from a single celled zygote- post fertilization changes

Advantages of sexual reproduction:-

• It is a source of genetic variation among individuals of a population
• It gives rise to individuals that are most adapted to the environment