Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Question
Chapter 11.7, Problem 1CYL
Summary Introduction
To explain:
The reason why sperm determines the sex of offspring in mammals.
Introduction:
Sperm is a male gamete with a haploid number of chromosomes. It contains flagella which help in locomotion inside the human body. The tip of the sperm contains acrosome which contains an enzyme for digesting the membrane layer of female egg.
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Chapter 11 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 11.1 - describe the relationships among chromosomes, DNA,...Ch. 11.1 - Prob. 2CYLCh. 11.2 - distinguish between self-fertilization and...Ch. 11.2 - Prob. 2CYLCh. 11.3 - Sudden Death on the court Many traits, in humans...Ch. 11.3 - describe the pattern of inheritance of a trait...Ch. 11.3 - Prob. 1TCCh. 11.3 - Prob. 2CYLCh. 11.3 - Prob. 3CYLCh. 11.4 - Prob. 1CYL
Ch. 11.4 - Prob. 1TCCh. 11.4 - Prob. 2CYLCh. 11.4 - Prob. 2TCCh. 11.4 - Prob. 3CYLCh. 11.5 - Prob. 1CSCCh. 11.5 - Prob. 1CYLCh. 11.5 - Prob. 1HYEWCh. 11.5 - Prob. 1TCCh. 11.5 - explain how polygenic inheritance and...Ch. 11.6 - describe how the patterns of inheritance differ...Ch. 11.7 - Prob. 1CYLCh. 11.7 - explain why most sex-linked traits are controlled...Ch. 11.7 - describe the pattern of inheritance of sex-linked...Ch. 11.8 - Prob. 1CSRCh. 11.8 - use pedigrees to determine the pattern of...Ch. 11.8 - Prob. 1ETCh. 11.8 - Prob. 1TCCh. 11.8 - Prob. 2CYLCh. 11.8 - Prob. 2ETCh. 11 - Prob. 1ACCh. 11 - An organism is described as Rr, with red coloring....Ch. 11 - In certain cattle, hair color can be red...Ch. 11 - Prob. 1MCCh. 11 - Define the following terms: gene, allele,...Ch. 11 - Prob. 2ACCh. 11 - Prob. 2FIBCh. 11 - Prob. 2GPCh. 11 - Prob. 2MCCh. 11 - Prob. 2RQCh. 11 - Prob. 3FIBCh. 11 - Prob. 3GPCh. 11 - Prob. 3MCCh. 11 - Prob. 3RQCh. 11 - Genes that are present on one sex chromosome but...Ch. 11 - Prob. 4GPCh. 11 - Prob. 4MCCh. 11 - Prob. 4RQCh. 11 - Prob. 5FIBCh. 11 - Prob. 5GPCh. 11 - Prob. 5MCCh. 11 - Prob. 5RQCh. 11 - Prob. 6GPCh. 11 - Prob. 6RQCh. 11 - In the couple described in Problem 6, the woman...
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- Give two ways nature uses to hide differences between X- and Y-sperm in mammals?arrow_forwarddetermine the way in which the sperm production of male bees differs from the sperm production of other animals.arrow_forwardDescribe the step-by-step fertilization process in an amphibian. (Please include the structures involved in the process.)arrow_forward
- Compare the male and female reproductive organs of reptiles and birds. Explain how are their reproductive patterns advantageous for their survival?arrow_forwardDiagram spermatogenesis in mammals. Begin with a spermatogonium possessing six chromosomes; distinguish between maternal and paternal chromosomes with colored pencils; show distribution of the chromosomes in the two meiotic divisions.arrow_forwardWhat are the essential similarities and differences between the development of sperms and eggs in mammals?arrow_forward
- Mate guarding is an evolved response to sperm competition. Chimpanzee (Pan troglodytes) females regularly mate with several males in the same estrous cycle, whereas gorilla (Gorilla gorilla) females almost never do, since they typically live in bands, each controlled by a single, powerful male. How large (as a proportion of body size) should the testes of chimpanzee males be relative to gorilla testes (Harcourt et al. 1981)? If the testes of men are more similar to those of chimpanzees, what would this tell us about the intensity of sperm competition during our evolutionary past? If, on the other hand, human testes resemble those of gorillas, what conclusion is justified? Please don't write from any online source.arrow_forwardFemale mammals undergo continuous reproductive cycles during their reproductive life. In the sense of offspring production, what is the benefit of these continuous cycles?arrow_forwardCite three reasons as to why some animals use asexual reproduction.arrow_forward
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