Campbell Biology: Concepts & Connections (8th Edition)
8th Edition
ISBN: 9780321885326
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 12, Problem 5TYK
How many genes are there in a human sperm cell?
a. 23
b. 46
c. about 21,000
d. about 3 billion
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How many chromatids are visible in a human cell at the start of anaphase I? a. 23 c. 92 b. 46 d. 184
how many chromosomes are present in a human cell during anaphase of mitosis?
A. 23
B. 92
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D. 0
E. 46
17. Which 2 cells would be more genetically similar to each other? a. two gametes produced by the same person b. two somatic cells produced by the same person c. two eggs produced by the same woman d. two sperm produced by the same man 18. If a diploid organism has a genome consisting of 22 chromosomes, its gametes will have _____ chromosomes. a. 44 b. 11 c. 22 d. 88 e. 19 19. When does DNA replication occur during meiosis?a. interphase I b. prophase I c. interphase II d. prophase II e. interphase I and II 20. The term 'synapsis' is associated with which process? a. crossing over b. independent assortment c. mitosis d. anaphase e. fertilization
Chapter 12 Solutions
Campbell Biology: Concepts & Connections (8th Edition)
Ch. 12 - Imagine you have found a small quantity of DNA....Ch. 12 - Which of the following would be considered a...Ch. 12 - The DNA profiles used as evidence in a murder...Ch. 12 - A paleontologist has recovered a tiny bit of...Ch. 12 - How many genes are there in a human sperm cell? a....Ch. 12 - When a typical restriction enzyme cuts a DNA...Ch. 12 - Why does DNA profiling rely on comparing specific...Ch. 12 - Recombinant DNA techniques are used to...Ch. 12 - A biochemist hopes to find a gene in human cells...Ch. 12 - Prob. 10TYK
Ch. 12 - Explain how you might engineer E. coli to produce...Ch. 12 - What is left for genetic researchers to do now...Ch. 12 - Today, it is fairly easy to make transgenic plants...Ch. 12 - In the not-too-distant future, gene therapy may be...Ch. 12 - The possibility of extensive genetic testing...Ch. 12 - SCIENTIFIC THINKING Scientists investigate...
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