Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Textbook Question
Chapter 11, Problem 3MC
Independent assortment means that
- a. two genes on the same chromosome tend to be inherited together.
- b. alleles are sorted into gametes after meiosis concludes.
- c. the particular allele of a gene does not determine the allele of a second gene in the same gamete.
- d. homologous chromosomes do not separate during meiosis.
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Students have asked these similar questions
Which of the following is a TRUE statement regarding the outcome of meiosis?
A.
In meiosis, one diploid cell (2n) can produce 2 haploid cells in males (1n).
B.
In meiosis, four haploid cells (1n) can produce 2 diploid cells (2n) in males.
C.
In meiosis, one diploid cell (2n) can produce up to 4 haploid cells (1n) in males.
D.
In meiosis, one diploid cell (2n) can produce 2 diploid cells (2n) in females.
2) A. Explain how polyribosomes form.
B. Why might you expect the insertion of 3 DNA base pairs to be less disruptive than th
deletion of a single base pair?
C. Compare and contrast mitosis and meiosis with respect to their genetic outcomes?
D. What are the possible consequences of non-disjunction during cell division?
E. How does meiosis increase genetic diversity in populations?
Separation of homologous chromosomes during Meiosis I requires:
Select one:
a.
Removing centromere cohesion
b.
Nondisjunction
c.
Separase
If nondisjunction occurred during Meiosis II:
Select one:
a.
We assume all other meiotic events occurred normally
b.
All four gametes will be abnormal
c.
There is a higher risk that a second nondisjunction event occurred
Chapter 11 Solutions
Biology
Ch. 11.1 - describe the relationships among chromosomes,...Ch. 11.1 - Prob. 2CYLCh. 11.2 - distinguish between self-fertilization and...Ch. 11.2 - Prob. 2CYLCh. 11.3 - Prob. 1TCCh. 11.3 - Prob. 1CSCCh. 11.3 - describe the pattern of inheritance of a trait...Ch. 11.3 - Prob. 2CYLCh. 11.3 - Prob. 3CYLCh. 11.4 - Can the genotype of a plant grown from a smooth,...
Ch. 11.4 - Prob. 2TCCh. 11.4 - Prob. 1CYLCh. 11.4 - Prob. 2CYLCh. 11.4 - Prob. 3CYLCh. 11.5 - Prob. 1TCCh. 11.5 - Prob. 1CSCCh. 11.5 - Prob. 1HYEWCh. 11.5 - Prob. 1CYLCh. 11.5 - Prob. 2CYLCh. 11.6 - describe how the patterns of inheritance differ...Ch. 11.7 - If a color-deficient woman and a man with normal...Ch. 11.7 - Prob. 1CYLCh. 11.7 - explain why most sex-linked traits are controlled...Ch. 11.7 - describe the pattern of inheritance of sex-linked...Ch. 11.8 - Prob. 1TCCh. 11.8 - use pedigrees to determine the pattern of...Ch. 11.8 - Prob. 2CYLCh. 11.8 - Prob. 3CYLCh. 11.8 - Prob. 2TCCh. 11.8 - Prob. 1CTCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Independent assortment means that a. two genes on...Ch. 11 - Prob. 4MCCh. 11 - Prob. 5MCCh. 11 - An organism is described as Rr, with red coloring....Ch. 11 - Prob. 2FIBCh. 11 - Prob. 3FIBCh. 11 - Genes that are present on one sex chromosome but...Ch. 11 - Prob. 5FIBCh. 11 - Define the following terms: gene, allele,...Ch. 11 - Prob. 2RQCh. 11 - Prob. 3RQCh. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 1ACCh. 11 - Prob. 2ACCh. 11 - In certain cattle, hair color can be red...Ch. 11 - In the edible pea, tall (T) is dominant to short...Ch. 11 - Prob. 3GPCh. 11 - Prob. 4GPCh. 11 - Prob. 5GP
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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
- The physical cause of the law of independent assortment for genes on the same chromosome is which of the following? Group of answer choices A. crossing over B. separation of homologous chromosomes in mitosis C.separation of sister chromatids in mitosis D. separation of sister chromatids in meiosis E. separation of homologous chromosomes in meiosisarrow_forwardAt the end of meiosis in humans, four gametes are produced that are: A. Genetically identical to each other and to the parent cell B. Genetically identical to each other but genetically different from the parent cell C. Genetically different from each other and the parent cell D. Genetically identical to the parent cell from different from each otherarrow_forwardIn 95% of cases of Down's syndrome, there is an entire extra chromosome 21 in every cell. This aneuploid condition is the result of A. Improper crossing over. B. Independent assortment. C. Nondisjunction. D. All are correct.arrow_forward
- An organism has two chromosomes only. Chromosome 1 has its centromere near one end and carries the A-locus. Chromosome 2 has its centromere at the centre and carries the B-locus. Consider a heterozygous with alleles A and B inherited from one parent and alleles a and b from the other parent. What does the following figure represent? a. Metaphase of meiosis I b. Metaphase of meiosis II c. Metaphase of mitosis d. Metaphase of mitosis or meiosis IIarrow_forwardIn the diagram above, Process X depicts meiosis I and Process Y depicts mitosis.One of the functions of meiosis is to produce variation in the gametes formed by this process. There are two events in meiosis that contribute to genetic variation. For each event that contributes to variation in meiosis: i. Name the event. ii. Name the meiotic stage it occurs in and identify that stage in the diagram above. ii. Explain how the event contributes to genetic variation.arrow_forwardIn an organism with a haploid number of , how many possible combinations of maternal and paternal chromosomes can occur in its gametes? Select one: a. b. c. d.arrow_forward
- A diploid male organism has two homologous chromosomes. A and B are from its maternal parent, while A’ and B’ are from its paternal parent. Draw the chromosomes at the following stages: a, anaphase of mitosis b. anaphase of the first meiotic division c, anaphase of the second meiotic division If the same chromosomes were involved in meiosis in a female, would the kind of egg nuclei produced be different from the sperm nuclei? Why?arrow_forwardEven though the processes are very similar, mitosis and meiosis are two very distinct processes. What is the difference between meiosis and mitosis? a. Mitosis results in two identical sister cells genetically identical to the original parent cell, while meiosis also starts with diploid but results in haploid cells. b. Mitosis only occurs in plants and single cell organisms, while meiosis only occurs in animals. c. Mitosis starts with diploid but results in haploid cells, while meiosis results in two identical sister cells genetically identical to the original parent cell.arrow_forwardA diploid individual with two identical alleles for a particular gene is said to be: a. homozygous for that gene b. heterozygous for that gene c. pleiotropic for that gene d. autosomal for that gene e. codominant for that genearrow_forward
- Sex-reversed females with XY were found to be missing SRY gene on their Y chromosomes, while sex-reversed males with XX were found to carry a portion of a Y chromosome that has the SRY gene. What can you conclude from these two cases? 1.Sex determination depends primarily on the combination of sex chromosomes and the presence of SRY gene. 2.X and Y chromosomes can’t pair up during meiosis because they are not true homologous chromosomes. 3.Nonreciprocal crossover could result in translocation of the SRY gene between X and Y chromosome. 4. The SRY gene has a key role to determine maleness. 5.The Y chromosome contains a gene that determine maleness.arrow_forwardRepresent the segregation of chromosomes during Meiosis 1 and Meiosis 2 a.) normal segregation in male b.) abnormal segregation in female Make use of circles as representing cells undergoing the above processes. Inside the circles are the chromosome number of the male or the female.arrow_forward1)Discusses why Meiosis I is referred to as reduction division and why Meiosis II is essentially like Mitosis. 2)Discusses where problems are likely to occur in Meiosis and what these problems could lead to.arrow_forward
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