BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 12, Problem 11SA
_________ contributes to variation in traits among the offspring of sexual reproducers.
| a. Crossing over | c. Fertilization |
| b. Chromosome segregation | d. all of the above |
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The law of segregation of chromosomes arises due to events in _________.
A.
Mitosis and meiosis II
B.
Mitosis and meiosis I
C.
Meiosis I only
D.
Meiosis II only
. sperm cells are formed when the generative cell divides by _________
a. one, mitosis b. two, mitosisc. one, meiosis d. two, meiosis e. four, meiosis
When two genes are genetically “linked”, gametes produced during meiosis will usually contain allele combinations that mimic the way the alleles were placed on the parent cell’s chromosomes unless what process successfully occurs?
Select one:
a.
Disjunction
b.
Self-fertilization
c.
Crossing over/recombination
d.
Aneuploidy
Chapter 12 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Alternative forms of the same gene are called...Ch. 12 - Meiosis is a necessary part of sexual reproduction...Ch. 12 - Meiosis ________. a. occurs only in germ cells of...Ch. 12 - Sexual reproduction in animals requires ________ ....Ch. 12 - Dogs have a diploid chromosome number of 78. How...Ch. 12 - Prob. 7SACh. 12 - Prob. 8SACh. 12 - Crossing over mixes up _______ . a. chromosomes c....Ch. 12 - Crossing over happens during which phase of...
Ch. 12 - _________ contributes to variation in traits among...Ch. 12 - Which of the following is one of the very...Ch. 12 - Match each term with its description....Ch. 12 - In your own words, explain why sexual reproduction...Ch. 12 - Make a simple sketch of meiosis in a diploid germ...Ch. 12 - The diploid chromosome number for the body cells...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Homologous chromosomes move toward opposite poles of a dividing cell during a. fertilization b. meiosis II c. meiosis I d. mitosisarrow_forwardThe two main sources of genetic variation from meiosis are ________. a. random orientation of homologous pairs and mutation b. crossing over and random mutation c. random orientation of homologous pairs and crossing overarrow_forwardGenetic variation from meiosis is generated during ________. a. both meiosis I and meiosis II b. meiosis II c. meiosis Iarrow_forward
- What is it called when chromosomes fail to separate properly during meiosis? A. Nondisjunction B. Karyotype C. Chromosomal separation failure D. Inappropriate separation E. Karyokinesisarrow_forwardMeiosis the parental chromosome number.a. doubles c. maintainsb. halves d. mixes uparrow_forwardWhich of the following mechanisms contributes to genetic variation through sexual reproduction via the random orientation of pairs of homologous chromosomes at metaphase of meiosis I? A. crossing over B. random fertilization C. independent assortment of chromosomes D. cytokinesisarrow_forward
- Which phase of meiosis reduces the chromosomenumber?a. prophase I c. anaphase Ib. prophase II d. anaphase IIarrow_forward________is an example of reproductive cloning. a. Somatic cell nuclear transfer (SCNT) b. Multiple offspring from the same pregnancy c. Artificial embryo splitting d. In vitro fertilizationarrow_forwardIdentify whether the following terms is related to either mitosis or meiosis or both. 1. two genetically similar diploid cells a.mitosis b.meiosis c.both. 2.four genetically different haploid cells a.mitosis b.meiosis c.both. 3.gametes/ sex cellsarrow_forward
- Identify whether the following terms is related to either mitosis or meiosis or both. 1. Identify whether the following terms is related to either mitosis or meiosis or both. a. mitosis b. meiosis c. both 2. somatic cells/ body cells a. mitosis b. meiosis c. both 3. two genetically similar diploid cellsarrow_forwardWhich of the following rows correctly describes the process and the location of cleavage following fertilization, respectively? Select one: a. Type of Division Location Meiotic Uterus b. Type of Division Location Meiotic Fallopian tube c. Type of Division Location Mitotic Fallopian tube d. Type of Division Location Mitotic Uterusarrow_forwardRegarding oogenesis, diplotene stage begins at a.birth b.Meiosis II c.7th month of fetal development. d.pubertyarrow_forward
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