Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 10, Problem 2MC
Summary Introduction
Introduction:
“Polyploidy” is a condition in which multiple copies of chromosomes are present in the genome. The chromosome number is more than
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Cells that result from meiosis are:
a. Diploid
b. Haploid
c. Zygotic
d. Triploid
Which of the following can occur by the process of meiosis but not mitosis?
A.
Haploid cells fuse to form diploid cells
B.
Diploid cells form haploid cells
C.
A diploid cell combines with a haploid cell
D.
Haploid cells multiply into more haploid cells
A diploid fruit fly has 8 chromosomes. Which of the following terms should not be used to describe a fruit fly with four sets of chromosomes?A. Polyploid B. Aneuploid C. Euploid
D. Tetraploid
E. 4n
Chapter 10 Solutions
Biology
Ch. 10.1 - Prob. 1CSCCh. 10.1 - Prob. 1CYLCh. 10.1 - Prob. 2CYLCh. 10.1 - Prob. 3CYLCh. 10.2 - What would be the consequences for the resulting...Ch. 10.2 - What would be the genetic consequences for the...Ch. 10.2 - Prob. 1CSCCh. 10.2 - describe the steps and outcome of meiotic cell...Ch. 10.2 - Prob. 2CYLCh. 10.3 - explain how meiosis and sexual reproduction...
Ch. 10.4 - Prob. 1HYEWCh. 10.4 - Prob. 1CYLCh. 10.4 - describe some of the human genetic disorders that...Ch. 10.4 - Prob. 1TCCh. 10 - Prob. 1MCCh. 10 - Prob. 2MCCh. 10 - Prob. 3MCCh. 10 - Prob. 4MCCh. 10 - Prob. 5MCCh. 10 - Meiotic cell division produces ________ (how many)...Ch. 10 - During ___________ of meiosis 1, paired homologous...Ch. 10 - Prob. 3FIBCh. 10 - Prob. 4FIBCh. 10 - Prob. 5FIBCh. 10 - Prob. 1RQCh. 10 - Prob. 2RQCh. 10 - Prob. 3RQCh. 10 - Describe how meiosis provides for genetic...Ch. 10 - Define nondisjunction, and describe common...Ch. 10 - Many plants car. reproduce sexually or asexually....
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- These items separate from each other during anaphase 2 of meiosis. a. Sister chromatids b. Homologous chromosome c. Genes d. The two parts of a cellarrow_forwardGametes contain one of each kind of chromosome because Select one: A. The homologous chromosomes separate during meiosis. B. Crossing-over occurs during prophase I. C. Only one replication of DNA occurs during meiosis. D. The chromatids separate during meiosis.arrow_forwardWhat two processes are responsible for generating genetic diversity in gametes? Select one or more: a. Independent assortment of homologous chromosomes b. Separation of sister chromatids c. Recombination (“crossing over”) of sister chromatids d. Recombination (“crossing over”) of homologous chromosomesarrow_forward
- The product of meiosis describes the following, except: A. Produces somatic cells B.Genetically distinct from each other. C.Four haploid cells D. Produces gametesarrow_forwardDuring crossing over,a. chromatids of homologous chromosomes exchange parts.b. mutations occur with higher than average frequency.c. chromatids of nonhomologous chromosomes exchange parts.d. nondisjunction occurs.arrow_forwardA cell has 8 chromosomes in metaphase II of meiosis. How many chromosomes and DNA molecules will be present per cell in this same organism at the following stages? a. Prophase of mitosis b. Metaphase I of meiosis c. Anaphase of mitosis d. Anaphase II of meiosis e. Anaphase I of meiosis f. After cytokinesis that follows mitosis g. After cytokinesis that follows meiosis IIarrow_forward
- The term endopolyploidy refers to the phenomenon of havinga. too many chromosomes.b. extra chromosomes inside the cell nucleus.c. certain cells of the body with extra sets of chromosomes.d. extra sets of chromosomes in gametes.arrow_forwardWhich of the following is a FALSE statement regarding human chromosomes? A. The chromosome number in humans is 2n=46. B. Gametes have half number of the chromosomes as in somatic cells. C. There are 22 pairs of autosomes and 2 sex chromosomes. D. Liver cells can be polyploids. They can have 23, 46, 69 or 92 chromosomes.arrow_forwardWhich of the following occur during anaphase II of meiosis? Select one: a. The APC adds phosphates to motor proteins causing them to rebuild the nuclear envelope. b. Homologous chromosomes of the tetrad separate and move to opposite poles of the newly dividing cell. c. DNA de-condenses. d. Non-identical (due to recombination) sister chromatids are split, attach to motor proteins, and are moved to separate polesarrow_forward
- A diploid fruit fly has eight chromosomes. How many total chromosomeswould be found in the following flies?A. TetraploidB. Trisomy 2C. Monosomy 3D. 3nE. 4n + 1arrow_forwardWhich of the following statements are True? There may be more than one answer. Select one or more: a. Mitosis results in 2 haploid cells O b. If a parent cell with 10 chromosomes undergoes mitosis, each offspring cell will have 10 chromosomes O c. At the start of meiosis, a human cell will have 46 chromosomes and 92 chromatids d. The purpose of mitosis is the production of gametes e. In Meiosis, crossing over occurs during Meiosis II f. Meiosis only occurs in the testes and ovariesarrow_forwardThe following image shows one specific stage of meiosis. Which of the following correctly states what is occurring in this stage? A. Microtubules have begun to pull sister chromatids apart, pulling them toward the poles of the cells. There are two cells at this stage. B. Microtubules have begun to pull homologous chromosomes apart, pulling them toward the poles of the cell. There is only one cell at this stage. C. Microtubules have attached to the chromosomes. Homologous chromosomes are aligned at the midpoint of the cell. There is only one cell at this stage. D. The chromosomes have reached the poles of the cell. There are technically two cells, but cytokinesis has begun in each.arrow_forward
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