Human Biology (MindTap Course List)
11th Edition
ISBN: 9781305112100
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 18, Problem 9SQ
Summary Introduction
Introduction: Meiosis is a process of cell division in which a parent cell splits to form four daughter cells. At the end of meiosis, the daughter cell has half chromosome number than the parent cell.
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In humans, sexual reproduction that produces an embryo, which then develops into a fetus, requires:
a. Neither mitosis or meiosis
b. Mitosis
c. Both mitosis and meiosis
Meiosis is a necessary part of sexual reproduction because it_____ . a. divides two nuclei into four new nuclei b. reduces the chromosome number for gametes c. gives rise to new alleles
During meiosis I, which structures separate?
A.
Sister chromatids
B.
Homologous chromosomes
C.
Both A and B
D.
Neither A nor B
Chapter 18 Solutions
Human Biology (MindTap Course List)
Ch. 18 - Prob. 1RQCh. 18 - Prob. 2RQCh. 18 - Prob. 3RQCh. 18 - Name the four main stages of mitosis, and describe...Ch. 18 - Prob. 5RQCh. 18 - Prob. 6RQCh. 18 - Prob. 1SQCh. 18 - Prob. 2SQCh. 18 - Prob. 3SQCh. 18 - Prob. 4SQ
Ch. 18 - Prob. 5SQCh. 18 - After mitosis, each daughter cell contains genetic...Ch. 18 - All of the following are stages of mitosis except...Ch. 18 - Prob. 8SQCh. 18 - Prob. 9SQCh. 18 - Because of the ________ alignment of homologous...Ch. 18 - Match the stage of mitosis with the following key...Ch. 18 - Normally you cant inherit both copies of a...Ch. 18 - Suppose you have a way of measuring the amount of...Ch. 18 - Adams maternal and paternal chromosomes have...Ch. 18 - Fresh out of college, Maria has her first job...
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- Meiosis the parental chromosome number.a. doubles c. maintainsb. halves d. mixes uparrow_forwardA cell has n=2. How many total chromosomes are in a diploid cell? b. Draw this cell during metaphase of mitosis:arrow_forwardIn experiment of following chromosomal DNA movement through meiosis, Blue have 44 chromosomes in every cell. Determibne how many chromosomes you would expect to find in the following: a. sperm cell b. egg cell: c. Daughter Cell from mitosis: d. Daughter cell from Meiosis ll:arrow_forward
- The oogonium starts meiosis I but stops at ____________________.arrow_forwardIn females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization occurs. (d) until ovulation occurs.arrow_forwardIn a possible future scenario, male fertility drops to zero, but, luckily, scientists develop a way for women to pro-duce babies by virgin birth. Meiocytes are converted di-rectly (without undergoing meiosis) into zygotes, which implant in the usual way. What would be the short- andlong-term effects in such a society?arrow_forward
- Homologous chromosomes move toward opposite poles of a dividing cell during a. fertilization b. meiosis II c. meiosis I d. mitosisarrow_forwardThe two homologs of a pair move toward opposite poles ofdividing cell during(A) mitosis.(B) meiosis I.(C) meiosis II.(D) fertilization.arrow_forwardPairs of chromosomes with almost identical geneticcomposition and that are found in cells of both males andfemales are calleda. sex chromosomes.b. autosomes.c. polyploid.d. chromatids.arrow_forward
- a. What phase of meiosis is this cell undergoing? b. Identify the 3 things that are incorrect in terms of this cells structure and organization? c. Would this cell produce viable gametes? Why or why not.arrow_forwardGametogenesis requires the conclusion of meiosis II. When does this occur in females? a. During fetal development b. At the onset of puberty c. After fertilization d. After implantationarrow_forwardbut, luckily, scientists develop a way for women to produce babies by virgin birth. Meiocytes are converted directly (without undergoing meiosis) into zygotes, whichimplant in the usual way. What would be the short- andlong-term effects in such a society?arrow_forward
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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY