BIOLOGY NOW(LL)(FDS)
BIOLOGY NOW(LL)(FDS)
2nd Edition
ISBN: 9780393683790
Author: HOUTMAN
Publisher: NORTON
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Chapter 6, Problem 11TQ

(a)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present at the end of the G1 phase in a sheep liver cell?

Concept introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

(b)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present in the daughter cells after meiosis I in the ovary of the sheep?

Concept introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

(c)

Summary Introduction

To describe:

How many numbers of separate DNA molecules are present in the daughter cells after meiosis II in the ovary of the sheep?

Concept introduction:

The cell cycle is an important mechanism used to increase the cell number while maintaining genetic stability of cells. Cell cycle plays a crucial role in growth as well as regeneration. Interphase (G1, S, and G2) and cell division are two important stages occur in the cell cycle. Mitosis (maintains the total number of chromosomes) and meiosis (reduces half the chromosome number) are two kinds of cell divisions occur in eukaryotes.

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