Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question
Sexual reproduction in animals requires .
a. meiosis c. gametes
b. fertilization d. all of the above
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- Which type of cells do meiosis form? a Diploid b Haploid C Body cells d Genetically identicalarrow_forwardYou are studying reproduction in starfish (also known as sea stars). You are able to successfully extract sperm and eggs from individuals in the lab and artificially fertilize the eggs. What is the first thing you expect to see in the zygote/embryo after successful fertilization? Group of answer choices a. development of organs b. development of a barrier against sperm entry c. rapid cell division WITHOUT growth d. rapid cell division with growtharrow_forward1. Meiosis is necessary because: a. Fertilized ovum will have too much genetic material b. Fertilized ovum will have too little genetic material c. Reproduction would be asexual d. Many mutations will occurarrow_forward
- In the microscopy image above, the structure that remains after the mature ovum leaves the ovary is numbered Select one: a. 3 b. 1 c. 5 d. 2arrow_forwardMeiosis is a reduction division, specifically pertaining to germ cells in the process of reproduction, Which of the following human cells is 1N and haploid? Select one: O a. Type A1 Spermatogonium b. Spermatid c. Primary spermatocyte d. Germinal epithelial cell e Type B Spermatogoniumarrow_forwardGastrulation... A. Is a specialized form of cell division that partitions the cytoplasm of a fertilized egg B. Refers to the fusion of haploid gametes to give a diploid zygote C. Produces an embryo with either two or three distinct cell layers D. Is a developmental stage consisting of a cell layer surrounding a fluid-filled space E. None of the abovearrow_forward
- Which of the following statements regarding the formation of human twins is INCORRECT? a. Nearly all identical twins form before the 9th day following fertilization. b. Identical twins share an umbilical cord. c. Fraternal twins form after two eggs become fertilized. d. Identical twins form after two eggs become fertilized.arrow_forwardCompare and contrast sexual and asexual reproduction. Identify the most accurate statement. a. Asexual reproduction results in more offspring per mother. b. Sexual reproduction is always more costly. c. Sexual reproduction is associated with an increase in homozygosity. d. Asexual reproduction is always bad for a species.arrow_forward
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