Log in
HomeStudy Guides420,000CA160,000

BIOL130 Study Guide - Final Guide: Hydroxylation, Middle Lamella, Cell Adhesion

83 views21 pages
School
University of Waterloo
Department
Biology
Course
BIOL130
Professor
Heidi Engelhardt

For unlimited access to Study Guides, a Grade+ subscription is required.

Document Summary

Interphase takes up 90% of the cell"s time. G1: parent cell contains unreplicated chromosomes: this is most of the cell"s growth. Mitotic spindles and contractile ring are two structures required for cell division. Stages of mitosis i: g2 of interphase, before mitosis, each chromosome has been duplicated and consists of two identical sister chromatids held together at the centromere, before mitosis, dna must be fully replicated. In animal cells, centrosome must be duplicated to form the two poles of the mitotic spindle. Division of the cytoplasm begins: cytokinesis, the cytoplasm is divided into two by the contractile ring, spindle apparatus disintegrates, mitosis vs meiosis i, mitosis. Each cell ends up with same genes: meiosis i. Positioning is random so cells end up with dna from both mother and father. Aneuploidy is very much a human problem not mammalian: aneuploidy is almost always lethal, exceptions: trisomy 21&18, sex chromosome abnormalities.

Get access

Grade+
$40 USD/m
Billed monthly
Grade+
Homework Help
Study Guides
Textbook Solutions
Class Notes
Textbook Notes
Booster Class
10 Verified Answers

Related Documents

BIOL130 Lecture Notes - Lecture 9: Spindle Apparatus, Sister Chromatids, Actomyosin Ring
raspberryweasel693
BIOL130
Final Exam
Study Guide
BIOL130 Study Guide - Sister Chromatids, Restriction Point, Cytokinesis
fuchsiaant905
BIOL130 Lecture Notes - Lecture 7: Phase Transition, Model Organism, Retinoblastoma Protein
sangriaguinea-pig444

Related Questions

1. only one chromosome of a homologous pair is present in a cell

2. sister chromatids seperate

3. homologous chromosomes pair up

4. parent cell and daughter cells are genetically identical to each other

5. chromosomes replicate before nuclear division

6. crossing over

7. involved in growth and repair

8. homologous chromosomes separate

9. synthesis of sister chromatids before division

10. independent assortment

Answer Choices:

A. occurs ONLY in meiosis

B. occurs in BOTH mitosis and meiosis

C. occurs ONLY in mitosis

Determine if the following events occur during Mitosis, Meiosis I, Meiosis II, Mitosis and Meiosis, Mitosis and Meiosis I, or Mitosis and Meiosis II. (Answers may be used once, more than once or not at all. Be as accurate as possible with your answer.)

___ 1. The chromosome number is reduced by half.

___ 2. The amount of DNA in the cell is twice the amount of a normal diploid cell in G1.

___ 3. DNA is replicated during S phase.

___ 4. Homologous chromosomes separate.

___ 5. Sister chromatids separate.

___ 6. Chromosomes condense and align along the metaphase plate.

___ 7. Homologous chromosomes align and undergo crossing over.

___ 8. Has one round of division per round of DNA replication.

___ 9. The number of chromatids is equal to the number of chromosomes of a diploid cell in G1.

___ 10. Tetrads align on the metaphase plate.

a. Mitosis and Meiosis I only

b. Both Mitosis and Meiosis

c. Meiosis II only

d. Mitosis and Meiosis II only

e. Mitosis only

f. Meiosis I only

Indicate whether the following outcomes of cell division are observed in mitosis only, meiosis only, or both mitosis and meiosis. Sister chromatids are separated. mitosis only meiosis only both mitosis and meiosos Contains only one cellular division mitosis only both mitosis and meiosos meiosis only DNA is replicated prior to cell division. both mitosis and meiosos mitosis only meiosis only A diploid parent cell produces haploid daughter cells. mitosis only both mitosis and meiosos meiosis only Daughter cells are genetically identical to parent cell. meiosis only