A haploid cell has? a. one set of chromosomes b. four sets of chromosomes c. two sets of chromosomes d. one half of a set of chromosomes 2. A cell cycle checkpoint DOES NOT exist in Mitosis. a. True b. False

A haploid cell has? a. one set of chromosomes b. four sets of chromosomes c. two sets of chromosomes d. one half of a set of chromosomes 2. A cell cycle checkpoint DOES NOT exist in Mitosis. a. True b. False

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 2RQ: A diploid cell has _ ____ the number of chromosomes as a haploid cell. a. one-fourth b. one-half c....

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Concept explainers

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase.

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons:

Question

1. A haploid cell has?

	a.	one set of chromosomes
	b.	four sets of chromosomes
	c.	two sets of chromosomes
		d. one half of a set of chromosomes 2. A cell cycle checkpoint DOES NOT exist in Mitosis. a. True b. False

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Diploid cells have a. two chromosomes.b. two sets of chromosomesc. one set of chromosomes.d. two pairs of homologous chromosomes
During meiosis I, which structures separate? A. Sister chromatids B. Homologous chromosomes C. Both A and B D. Neither A nor B
During meiosis II, which structures separate? A. Sister chromatids B. Homologous chromosomes C. Both A and B D. Neither A nor B
What defines a diploid cell? a.A cell with three sets of chromosomes b.A cell with one set of chromosomes c.A cell with four sets of chromosomes d.A cell with two sets of chromosomes
What defines a diploid cell? A. A cell with two sets of chromosomes B. A cell with four sets of chromosomes C. A cell with three sets of chromosomes D. A cell with one set of chromosomes
A cell has n=2. How many total chromosomes are in a diploid cell? b. Draw this cell during metaphase of mitosis:
Which of the following examples of cell division would involve meiosis? Group of answer choices A. a spermatocyte divides into sperm cells B. a sperm cell fertilizes an egg cell C. a white blood cell divides into new white blood cells D. a stem cell divides into nerve cells E. a fertilized egg divides into daughter cells
Why is there a need to produce diploid type of cell at the of cell division? a.)So that the cells produced are exact copy of the parent cell b.)So that abnormalities of the cell will be avoided c.)So that the purpose of growth happens in the organism d.)So that the copy of DNA is retained
all of the following are functions of mitosis except:a. growth b. replacement of cells. c. repair of damaged tissues d. sexual reproduction ...explain your choice.
Which of the following is/are reason(s) that sells an organism would undergo mitosis? A. During organismal growth(for multicellular organisms). B. During wound heal. C. When mutation develop in genes that caused the cell to self-destruct. D. To make haploid gametes.
Mitosis leads to ... A.)identical (or nearly identical) cells B.)four unique gametes C.)one cell with double the normal number of chromosomes D.)two genetically diverse cells
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