BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 12, Problem 8SA
Summary Introduction
Introduction:
Meiosis is an essential process of sexual reproduction because it ensures the organism produced after fertilization of gametes contains the same number of chromosomes as their parents.
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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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- The individual chromosomes become visible with a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forwardChromosomes are duplicated during what portion of the cell cycle? a. G 1 phase b. S phase c. prophase d. prometaphasearrow_forwardSeparation of the sister chromatids is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forward
- Which eukaryotic cell-cycle event is missing in binary fission? a. cell growth b. DNA duplication c. mitosis d. cytokinesisarrow_forwardMatch each stage with the events listed. ___ metaphase a. sister chromatids move apart ___ prophase b. chromosomes condense ___ telophase c. new nuclei form ___ interphase d. chromosomes aligned midway between spindle poles ___ anaphase e. G1, S, G2 ___ cytokinesis f. cytoplasmic divisionarrow_forwardCell differentiation occurs through _______________, whereas morphogenesis involves _______________. (a) pattern formation; cell determination (b) cell division; cell expansion (c) cell expansion; pattern formation (d) cell determination; cell division (e) cell determination; pattern formationarrow_forward
- The chromosomes become visible under a light microscope during which stage of mitosis? a. prophase b. prometaphase c. metaphase d. anaphasearrow_forwardAt what stage in mitosis do the sister chromatids line up along the midline of the cell? a. Metaphase b. Anaphase c. Telophase d. Prophasearrow_forwardUnpacking of chromosomes and the formation of a new nuclear envelope is a characteristic of which stage of mitosis? a. prometaphase b. metaphase c. anaphase d. telophasearrow_forward
- What part of the cell cycles are checkpoints that regulate the transition from anaphase to telophase? A. M checkpoint B. G2 checkpoint C. G1 checkpoint D. S checkpointarrow_forwardWhich stage of the cell cycle follows Gap 2? a Gap 0 b Gap 1 c mitosis d synthesisarrow_forwardIf you were to look at a sample of actively dividing leaf cells, in what stage of the cell cycle would you find most of the cells? a. Interphase c. Metaphase b. Prophase d. Telophasearrow_forward
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The Cell Cycle and its Regulation; Author: Professor Dave Explains;https://www.youtube.com/watch?v=eqJqhA8HSJ0;License: Standard YouTube License, CC-BY
Cell Division - Mitosis and Meiosis - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=w7vp_uRA8kw;License: Standard YouTube License, CC-BY