Genetics
Genetics
5th Edition
ISBN: 9781464109461
Author: Benjamin A. Pierce
Publisher: MAC HIGHER
Question
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Chapter 2.3, Problem 30AQP

a.

Summary Introduction

To determine:

The way through which the event “mitotic cohesion fails to form early in mitosis” would affect the outcome of mitosis and meiosis.

Introduction:

Cohesion is a protein complex during cell cycle that is responsible for the separation of sister-chromatids at the time of cell-division. This can also cause binding of sister chromatids together after replication before anaphase because; during anaphase it would leads to separate sister-chromatids.

b.

Summary Introduction

To determine:

The way through which the event “Shugoshin is absent during meiosis” can affect the outcome of mitosis and meiosis.

Introduction:

Shugoshin is a primary protein molecule that “protects the cohesion molecule from degradation” due to the separase enzyme. It is located at the centromere of chromosomes.

c.

Summary Introduction

To determine:

The way through which the event “Shugoshin does not break down after anaphase I of meiosis” can affect the outcome of mitosis and meiosis.

Introduction:

Shugoshin is a primary protein molecule that “protects the cohesion molecule from degradation” due to the separase enzyme. It is located at the centromere of chromosomes.

d.

Summary Introduction

To determine:

The way through which the event “Separase is defective” can affect the outcome of mitosis and meiosis.

Introduction:

Separase is an enzyme that breaks down the cohesion molecules. When separase is defective it can affect both the mitosis and meiosis stages.

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