Which cell is considered a haploid cell? (has half the number of chromosomes?) Why?

Answered: Which cell is considered a haploid…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Which cell is considered a haploid cell? (has half the number of chromosomes?) Why?

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Answer: A cell is the basic unit of life. a cell has 46 chromosomes ( 23 pair of chromosomes ). Every cell is in the diploid condition, diploid means (2n) ploidy and haploid cells have (n) ploidy.

HAPLOID CELLS: A cell which contains n number of ploidy means half number of chromosomes (23).

DIPLOID CELLS: A cell which contains 2n number of ploidy means complete number of chromosomes (46).

REASON : A cell changes its ploidy by division, that is meiosis , it is a reductional division.

2n -------> 4n -------> 2n + 2n -------> n+n+n+n

A cell remains in 2n ploidy by division, that is mitotic , it is a equational division.

2n -------> 4n -------> 2n + 2n

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