Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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1. In most sexual species, males produce far more gametes than do females. Why does this occur when, in most cases, only one male gamete can fertilize one female gamete?
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- What is true of meiosis?1.Meiosis produces four daughter cells.2.The daughter cells that result from meiosis are diploid.3.The daughter cells that result from meiosis are identical.4.The number of chromosomes present in the parent cell is maintained in the daughter cells.arrow_forward1. What is meiosis?2. What specific cells in the body divide through this process?3. Meiosis involves two successive cell divisions. Which of the two is mitotic in nature? Why?4. What particular event in meiosis results to genetic variation? Why?5. Is there a possibility that a problem may occur at any stage of meiosis? If so, what is it and how does itaffect the organism?6. The cells produced after meiosis are haploid, how do these cells restore or maintain the normalchromosome number of the species?7. Why do you think mitosis and meiosis important in the life cycle of an organism?arrow_forwardWhy do we still see organisms reproduce asexually? In what situations and organisms would we expect to see asexual reproduction occur?arrow_forward
- What would happen to the chromosome number in gametes and offspring if gametes were formed by the mitotic process instead of the meiotic process?arrow_forwardHow many different gamete combinations can be produced from a Yy Ss Hh genotype?arrow_forward11. What are the three types of asexual reproduction? 12. Define gamete and zygote. What number of chromosomes does each have? 13. Outline the phases of meiosis.arrow_forward
- 27arrow_forward1. In the figure below, in generation 2 there are only two more child-producing individuals in the asexual population that in the sexual population. If the same two-fold difference in reproductive rates were continued, how many more child-producing individuals would there be in the asexual compared to sexual population of generation 5? Explain your calculation. (CYU Figure 13.12) Asexual reproduction Sexual reproduction Generation 1 |There are only half as many child-producing offspring in the sexual population as in e asexual population the Generation 2 Generation 300 00 0000 0000 0000arrow_forward
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