CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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Textbook Question
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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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
what is the linkage between the ct and s genes?
A.
15.7 cM
B.
32.6 cM
C.
21.3 cM
D.
43.3 cM
What is a genetically identical copy of an organism?
a.Karyotype
b.Clone
c.Autosome
d.Diploid
Chapter 12 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
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 - A biologist isolated a gene from a human cell,...
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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- Organism X has the genotype Ccdd. How many different types of gametes can it make and in what proportion? * A. 3 Cd 1 cd B. 1 CD: 1 Cd : 1 cD 1 cd C. 1 Cc : 1 dd D. 1 Cd 1 cd A human female "carrier" who is heterozygous for the recessive, sex-linked trait hemophilia (XHXH), marries a normal male (XHY). What proportion of their male progeny will show the trait? A. 1/4 B. 1/2 C. 0 D. Allarrow_forwardMaple syrup urine disease is an autosomal recessive gene. The R allele leads to a normal protein product, whereas r leads to a mutant protein. Which genotype below will display the Maple syrup urine disease phenotype? A. Rr B. RR C. rr D. Rr and rrarrow_forwardHumans have 46 chromosomes in each somatic cell. a. How many chromosomes does a child receive from its father?arrow_forward
- If a muscle cell in a frog has 28 chromosomes how many chromosomes will an unfertilized egg produced by this same frog have? Group of answer choices a. 7 b. 28 c. 35 d. 14 e. 56arrow_forwardWhat structure is most important in forming the tetrads? a. centromere b. synaptonemal complex c. chiasma d. kinetochorearrow_forwardQUESTION: 1. The process of ____________ results in tissue-specific gene functions. a. orthology b. homeodomains c. pseudogenetics d. subfunctionalizationarrow_forward
- What is a main difference between onion root tip (plant cell) mitosis and whitefish blastula (animal cell) mitosis? A. The DNA is animal cells is inside of a nucleus but there is no nucleus in plant cells. B. A cleavage furrow is not formed in plant cells due to the rigid cell wall. C. Plant cells do not have DNA and animal cells do. D. Plant cells have undergo prophase where they condense their chromosomes but animal cells skip this step.arrow_forward11. There are 4 pairs of chromosome in a fruit fly. How many linkage groups is/are present? A. 20 B. 4 C. 10 D. 12arrow_forwardPlease answer the recent examples or studies about cloning of cells in: A. Animals B. Plantsarrow_forward
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