Human Biology: Concepts and Current Issues, Books a la Carte Edition; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for ... Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134577784
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 21, Problem 1AWK
Summary Introduction
To review:
The biological impossibility of human and gorilla to mate and produce offspring.
Introduction:
The process of fertilization begins with the fusion of sperm and egg and ends with the formation of a diploid cell called zygote. Only one of the several hundred million sperms fertilizes the egg, which prevents abnormality in chromosome number in the zygote. The process of fertilization ensures that only one sperm can succeed in fusing with the egg.
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Chapter 21 Solutions
Human Biology: Concepts and Current Issues, Books a la Carte Edition; Modified Mastering Biology with Pearson eText -- ValuePack Access Card -- for ... Concepts and Current Issues (8th Edition)
Ch. 21 - Prob. 1QCCh. 21 - Prob. 2QCCh. 21 -
1. Why does only one sperm fertilize the egg, and...Ch. 21 - Prob. 2CRCh. 21 - Prob. 3CRCh. 21 - Describe the stages of labor and delivery.Ch. 21 - What causes the newborn to take its first breath...Ch. 21 - Prob. 6CRCh. 21 - What causes the onset of puberty (sexual...Ch. 21 - Summarize the three main hypotheses of the causes...
Ch. 21 - Prob. 9CRCh. 21 - Prob. 10CRCh. 21 - Which of the following lists the correct order of...Ch. 21 - Which of the following will result in fraternal...Ch. 21 -
3. Which of the following processes is the first...Ch. 21 - Prob. 4TYCh. 21 - Prob. 5TYCh. 21 - Prob. 6TYCh. 21 -
7. Which of the following is mismatched?
a....Ch. 21 - Prob. 8TYCh. 21 - Prob. 9TYCh. 21 -
10. Which of the following would be detrimental...Ch. 21 - Prob. 11TYCh. 21 - Prob. 12TYCh. 21 - Prob. 13TYCh. 21 - Prob. 14TYCh. 21 - Which hormone plays a critical role both in...Ch. 21 - Prob. 1AWKCh. 21 - Prob. 2AWKCh. 21 - Prob. 3AWKCh. 21 - Each year, it is estimated that over 40,000...Ch. 21 - Prob. 5AWKCh. 21 - Prob. 6AWKCh. 21 - How is it possible that one's life could be...
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- Why does asexual reproduction disadvantageous? * It takes time and energy to find a mate and reproduce. No answer Both A and B Low genetic diversity means susceptibility to diseases Fewer offspring are typically produced.arrow_forwardIn most animals the adults live only as long as they are able to reproduce. Why do you think humans live past the age of reproduction? Why do women who are older give birth to babies with more birth defects? asap pleasearrow_forwardAs described in the Biology and Society section, some species (including some endangered species) have been shown to be capable of reproduction via parthenogenesis, without participation of a mate. What implications might this have on efforts to repopulate endangered species? What drawbacks might a parthenogenesis program have on the well-being of the species it targets?arrow_forward
- Do you think that there’s a possibility that male frogs fail to mate with a female frog? Why or why not? If so, what do you think are the potential factors that could arise this problem of fail to reproduce?arrow_forwardWhat are some evidences about the Equality in the Sexes in Human Evolution?arrow_forwardWhat is the scientific purpose of having two genders in all living beings when reproduction could be reached asexually?arrow_forward
- Is it possible for human beings to undergo asexual reproduction? Why or why not?arrow_forwardSome organisms reproduce sexually while other organisms reproduce asexually. Which would be an example of asexual reproduction?arrow_forwardWhat are the Equality in the Sexes in Human Evolution? Why is this important to learn?arrow_forward
- If it takes just one sperm to fertilize an egg,why do males make so many?arrow_forwardhow does sexual reproduction produce more complex offspring, produce a greater number of offspring, enhances the genetic variability, produce more evolutionary fit individual and Increases the survival rate of the species?arrow_forwardWhich of the following statements about reproduction in humans is correct? (a) Fertilisation takes place externally. (b) Fertilisation takes place in the testes. (c) During fertilisation egg moves towards the sperm. (d) Fertilisation takes place in the human female.arrow_forward
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