CAMPBELL BIOLOGY:CONCEPTS & CONNECTIONS
3rd Edition
ISBN: 9781323464175
Author: Pearson
Publisher: PEARSON C
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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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Students have asked these similar questions
A scientist cloned a sheep. Which of these statement is true about the cloned sheep?
a.
It lacks the genes for reproduction
b.
It looks the same but has different genes
c.
It has the genes that are identical to the original sheep
d.
It has new genes and traits
The nucleus of udder cell which was used to develop Dolly was taken from_______.a) Six year old Finn Dorset white sheep b) Seven year old white sheep. c) Six year old goat d) Five year old cow
Fifty-million sperm were examined for mutations in a specific gene and 100 mutations were found. What was the mutation rate for this gene?
A) 5 × 10−6
B) 50 × 10−6
C) 2 × 10−6
D) 2 × 10−5
E) 5 × 10−5
Chapter 12 Solutions
CAMPBELL 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 - 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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- In the reproductive cloning of an animal, the genome of the cloned individual comes from ________ a. a sperm cell b. an egg cell c. any gamete cell d. a body cellarrow_forwardWhat is Epistasis? A) When one gene effect another B) When one gene effect multiple phenotype C) When one gene causes another gene to mutatearrow_forwardIf the liver cells of an animal have 48 chromosomes, the sperm cells would have how many chromosomes? Question 5 options: a) 24 b) Twice the diploid number c) Half the haploid number d) 48arrow_forward
- What makes sexually reproduced offspring genetically different from their parents? a. Genetic recombination during mitosis b. Genetic recombination during meiosis c. Sexual reproduction does not produce genetically different offspring d. Crossing over during mitosisarrow_forwardWhat is the main difference between autopolyploid and allopolyploid? a. the number of chromosomes b. the functionality of the chromosomes c. the source of the extra chromosomes d. the number of mutations in the extra chromosomesarrow_forwardWhy is the frog pattern of cleavage different from the sea urchin pattern of cleavage? Group of answer choices A. the frog cells all divide at the same rate and are all the same size B. the frog vegetal pole cells divide more slowly and are large and yolk-filled C. the frog vegetal pole cells divide more slowly and are small D. the yolk does not divide in the frog E. the blastopore forms the moutharrow_forward
- Constructing a pedigree is particularly useful when studying inheritance patterns in organisms that________ . a. produce many offspring per generation b. produce few offspring per generation c. have a very large chromosome number d. have a fast life cyclearrow_forwardWhich pathology leads to an increased risk of Alzheimer’s disease? Select one: a. Homozygosity for the e3 ApoE allele b. a sedentary life style c. A mutation in the amyloid precursor protein gene d. a diet high in fat and sugars e. Homozygosity for the e4 ApoE allelearrow_forwardThe chromosomal theory of inheritance states thata. chromosomes contain DNA.b. humans have 23 pairs of chromosomes.c. all cells have genes.d. genes are on chromosomes.arrow_forward
- An organism whose cells contains two copies of each chromosome is called _______. A) a morph b) alleles c) a genetic mutation d) haploidarrow_forwardDogs have a diploid chromosome number of 78. How many chromosomes do their gametes have? a. 39 c. 156 b. 78 d. 234arrow_forwardWhat is a genetically identical copy of an organism? a.Karyotype b.Clone c.Autosome d.Diploidarrow_forward
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