(i) State any three characteristics of sexual reproduction.
(ii) Explain, what happens to the egg once it gets fertilized in a human female?
Answers
(i). -It takes place with the help of gametes.
-It is biparental in origin.
-It is a slower method of reproduction.
(ii). begin. Most eggs are fertilized by sperm while still in the fallopian tube. Thefertilized egg then travels down the fallopian tube into the uterus. ... Whenthe egg reaches the uterus, it may attach itself to the uterine lining (the endometrium) and pregnancy will begin.
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Answer:
Characteristics of Sexual Reproduction are as follows:
1. Both the parents are involved.
2. Gamate formation takes place by meosis, fertilization takes palce leading to the formation of zygote.
3. Both mitotic and meotic division involved
4. Significant variation develops due to crossing over of the gamates during meosis.
5. Variation increases adaptibility and survival rate which further leads to evolution of new species.
(ii) Once the egg is fertilized it gets converted into zygote.