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 14SQ
________ contributes to variation in traits among the offspring of sexual reproducers.
- a. Crossing over
- b. Random attachment of chromosomes to spindle poles
- c. Fertilization
- d. both a and b
- e. all are factors
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Homologous chromosomes move toward opposite poles of a dividing cell during
a.
fertilization
b.
meiosis II
c.
meiosis I
d.
mitosis
Gamete formation results in __________________________.
a.
the pairing of homologous chromosomes
b.
offspring that are genetic clones of the parent
c.
asexual reproduction
d.
the fusion of gametes.
e.
offspring that are genetically distinct from each other
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
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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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
- Which 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_forwardMeiosis the parental chromosome number.a. doubles c. maintainsb. halves d. mixes uparrow_forwardGametogenesis is d. The process of gamete formation which goes through one division of meiosis Oc. The process of gamete formation which goes through one division of mitosis b. The process of gamete formation where the number of chromosomes is halved for 23 chromosomes a. The process of gamete formation where the number of chromosomes is doubled for 46 chromosomes None of the choices are correct Question 3 or False: Meiosis undergoes two sets of divisions.arrow_forward
- The cell process represented in the illustration above is Select one: a. Reduction division b. Mitotic division c. Fertilization d. Cleavagearrow_forwardGenetic variation from meiosis is generated during ________. a. both meiosis I and meiosis II b. meiosis II c. meiosis Iarrow_forwardThe number of chromosomes present in eurkaryotic cells a. is consistent during the life cycle b. is haploid among sexually reproducing forms and diploid if the reproduce sexually c. is double by fertilization and cut in half by meiosis d. is dependent on the age of the tissuearrow_forward
- Egg and sperm cells are... A. Gametes B. Diploid C. Somatic cells D. Zygotesarrow_forwardMatch the following with the term that best describes them ✓number of cells after meiosis ✓number of cells before meiosis ✓type of cells that undergo mitosis ✓number of chromosomes after meiosis ✓type of cells that undergo meiosis ✓ number of chromosomes before meiosis A. diploid B. haploid C. one D.four E. gonads F. somaticarrow_forwardIn asexual reproduction a diploid individual would produce which of the following Group of answer choices A. haploid offspring through meiosis B. diploid offspring through mitosis C. haploid offspring through mitosis D. diploid offspring through meiosisarrow_forward
- Which stage of meiosis I is characterized by the formation of two haploid nuclei? A. Prophase I B. Telophase I C. Anaphase I D. Metaphase Iarrow_forwardSister chromatids separate during anaphase of which of thefollowing?a. mitosis c. meiosis IIb. meiosis I d. both a and c.arrow_forwardThe process of meiosis ensures that organisms will have a. The same diploid number its parents have. b. Different numbers of chromosomes from what are parents have. c. The ability to reproduce by budding. d. A different haploid number from what its parents have. e. Splits into two daughter cells.arrow_forward
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