Science, asked by vikashsingh854007, 1 month ago

B. Answer Briefly
1. What are the two main modes of reproduction in animals?
2. Draw a labelled sketch to show the location of endocrine glands in the human body
3. What are sex chromosomes? Why are they named so?
4. What is the role of pituitary gland during the onset of puberty?
Word​

Answers

Answered by snshivanishankar
0

Just as in plants, there are two modes by which animals reproduce. These are: (i) Sexual reproduction, and (ii) Asexual reproduction.

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Answered by poojabisal8499
1

1. Sexual and asexual

3. Their are total 46 chromosomes present in human body, I. e. total 26 pairs. One pair is of sex chromosomes. The sex chromosomes determined the sex (gender) of the baby. hence, they are named sex chromosomes

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