Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 12, Problem 3SQ
Meiosis _________.
- a. occurs in all eukaryotes
- b. supports growth and tissue repair in multicelled species
- c. gives rise to genetic diversity among offspring
- d. is part of the life cycle of all cells
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Meiosis is a necessary part of sexual reproduction because it_____ . a. divides two nuclei into four new nuclei b. reduces the chromosome number for gametes c. gives rise to new alleles
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 cell
Meiosis_______ . a. occurs only in animals b. supports growth and tissue repair in multicelled species c. gives rise to genetic diversity among offspring d. is part of the life cycle of all cells
Chapter 12 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 12 - One evolutionary advantage of sexual over asexual...Ch. 12 - Meiosis is a necessary part of sexual reproduction...Ch. 12 - Meiosis _________. a. occurs in all eukaryotes b....Ch. 12 - Sexual reproduction in animals requires ______. a....Ch. 12 - Meiosis ______ the parental chromosome number. a....Ch. 12 - Dogs have a diploid chromosome number or 78. How...Ch. 12 - The cell in the diagram to the right is in...Ch. 12 - Prob. 8SQCh. 12 - Prob. 1DAACh. 12 - Prob. 2DAA
Ch. 12 - Prob. 3DAACh. 12 - Prob. 9SQCh. 12 - Crossing over mixes up ______. a. chromosomes b....Ch. 12 - Crossing over happens during which phase of...Ch. 12 - Which of the following is one of the very...Ch. 12 - Match each term with the best description. __...Ch. 12 - ________ contributes to variation in traits among...Ch. 12 - The diploid chromosome number for the body cells...Ch. 12 - In your own words, explain why sexual reproduction...Ch. 12 - Different populations of the tiny freshwater...Ch. 12 - Make a simple sketch of meiosis in a cell with a...
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- Meiosis explains whya. you inherited half of your DNA from each of your parents.b. the sister chromatids in a chromosome are identical to each other.c. each of your somatic cells contains the same DNA.d. zygotes contain half as much DNA as somatic cells.arrow_forwardMeiosis II is similar to mitosis in that(A) sister chromatids separate during anaphase.(B) DNA replicates before the division.(C) the daughter cells are diploid.(D) homologous chromosomes synapsearrow_forwardThe 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_forward
- During meiosis II, which structures separate? A. Sister chromatids B. Homologous chromosomes C. Both A and B D. Neither A nor Barrow_forwardMeiosis ________. a. occurs only in germ cells of animals b. supports growth and tissue repair in multicelled species c. gives rise to genetic diversity among offspring d. is part of the life cycle of all cells.arrow_forwardWhich of the following examples of cell division would involve meiosis? Group of answer choices A. a spermatocyte divides into sperm cells B. a sperm cell fertilizes an egg cell C. a white blood cell divides into new white blood cells D. a stem cell divides into nerve cells E. a fertilized egg divides into daughter cellsarrow_forward
- The two homologs of a pair move toward opposite poles ofdividing cell during(A) mitosis.(B) meiosis I.(C) meiosis II.(D) fertilization.arrow_forwardWhat will happen to an organism once its failed to undergo the process of 1A Mitosis: 1B Meiosis:arrow_forwardDiploid cells have a. two chromosomes.b. two sets of chromosomesc. one set of chromosomes.d. two pairs of homologous chromosomesarrow_forward
- Explain in your own words how errors in mitosis could lead to the formation of cancerous cells as an organism (humans in particular for our focus) ages, and why errors in meiosis would not.arrow_forwardWhich statement about meiosis (in humans) is FALSE? Select one: a. It reduces the amount of genetic material (chromosomes) by half b. It is part of the process of sexual reproduction c. The cells it produces are identical to each other d. It produces haploid gametes e. It occurs only in germline cells of the reproductive organsarrow_forwardWhich statement below best describes the overall function of meiosis 2? A. Separates homologous chromosomes prior to cell division B. Separate sister chromatids prior to cell division C. Independently arranges homologous chromosomesarrow_forward
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