MULTIPLE CHOICE: Select the BEST ANSWER for each item by ENCIRCLING THE LETTER corresponding to the best choice. 1. Which of the following statements is INCORRECT? а) The halving of chromosome number during gamete formation, followed by the union of two gametes at fertilization, allows a constant 2n number of chromosomes to be maintained from generation to generation in all individuals of a species. b) Meiosis ensures that all somatic cells of the developing individual have identical diploid chromosome sets. c) The number of chromosomes in a normal diploid cell is 2n. d) Gametes and other cells that carry only a single set of chromosomes are called haploid. 2. Which of the following statements is INCORRECT? a) Scientists usually analyze the chromosomal makeup of a cell during metaphase because this is when the chromosomes are most visible. b) During metaphase, individual chromosomes have duplicated and condensed from thin threads into compact rod-like structures. c) Each chromosome, during metaphase, consists of two identical halves known as sister chromatids. d) The location at which sister chromatids are attached to each other is called the kinetochore. 3. Which of the following statements is INCORRECT? а) Homologous chromosomes match in size, shape, and banding. b) Homologous chromosomes may carry different alleles, but always carry the same set of genes. Chromosomes 1 and 2 are homologous chromosomes. d) In males, X and Y chromosomes are nonhomologous chromosomes. c)
MULTIPLE CHOICE: Select the BEST ANSWER for each item by ENCIRCLING THE LETTER corresponding to the best choice. 1. Which of the following statements is INCORRECT? а) The halving of chromosome number during gamete formation, followed by the union of two gametes at fertilization, allows a constant 2n number of chromosomes to be maintained from generation to generation in all individuals of a species. b) Meiosis ensures that all somatic cells of the developing individual have identical diploid chromosome sets. c) The number of chromosomes in a normal diploid cell is 2n. d) Gametes and other cells that carry only a single set of chromosomes are called haploid. 2. Which of the following statements is INCORRECT? a) Scientists usually analyze the chromosomal makeup of a cell during metaphase because this is when the chromosomes are most visible. b) During metaphase, individual chromosomes have duplicated and condensed from thin threads into compact rod-like structures. c) Each chromosome, during metaphase, consists of two identical halves known as sister chromatids. d) The location at which sister chromatids are attached to each other is called the kinetochore. 3. Which of the following statements is INCORRECT? а) Homologous chromosomes match in size, shape, and banding. b) Homologous chromosomes may carry different alleles, but always carry the same set of genes. Chromosomes 1 and 2 are homologous chromosomes. d) In males, X and Y chromosomes are nonhomologous chromosomes. c)
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN:9781285866932
Author:Lauralee Sherwood
Publisher:Lauralee Sherwood
Chapter20: The Reproductive System
Section: Chapter Questions
Problem 11RE
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