A&P INTEG APPRCH LL
4th Edition
ISBN: 9781266242748
Author: McKinley
Publisher: MCG
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Chapter 28.2, Problem 5WDYL
Summary Introduction
To explain:
The reason that the gametes attain haploid stage than the diploid stage.
Concept introduction:
The chromosomes carry the information from one generation to another generation. Total 46 chromosomes are found in human cells, out of these 22 pairs are autosomes and 1 pair is the sex chromosomes (allosomes). These sex chromosomes determine the gender of an individual.
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Why do gametes have to be haploid instead of diploid?
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What are the respective ploidies of gamete, zygote and somatic cells in a species with gametic meiosis?
Chapter 28 Solutions
A&P INTEG APPRCH LL
Ch. 28.1 - What general components make up the reproductive...Ch. 28.1 - What hormones begin to be secreted at puberty, and...Ch. 28.1 - What are the components of the urogenital...Ch. 28.2 - How do sex chromosomes differ from autosomes?Ch. 28.2 - Prob. 5WDYLCh. 28.2 - Prob. 6WDYLCh. 28.2 - Prob. 7WDYLCh. 28.2 - Prob. 8WDYLCh. 28.2 - Prob. 9WDYLCh. 28.2 - Prob. 10WDYL
Ch. 28.3 - Prob. 11WDYLCh. 28.3 - Prob. 12WDYLCh. 28.3 - Prob. 13WDYLCh. 28.3 - Prob. 14WDYLCh. 28.3 - What are the three phases of the ovarian cycle,...Ch. 28.3 - What are the four segments of the uterine tubes,...Ch. 28.3 - Prob. 17WDYLCh. 28.3 - Prob. 18WDYLCh. 28.3 - What are the three phases of the uterine cycle,...Ch. 28.3 - Compare and contrast the ovarian and uterine...Ch. 28.3 - What are the individual components of the female...Ch. 28.3 - Prob. 22WDYLCh. 28.3 - Prob. 23WDYLCh. 28.3 - Prob. 24WDYLCh. 28.4 - How does the scrotum help regulate the temperature...Ch. 28.4 - What are the major cell types in the seminiferous...Ch. 28.4 - What hormones are produced by the interstitial...Ch. 28.4 - How does a spermatogonium divide to produce...Ch. 28.4 - Prob. 29WDYLCh. 28.4 - Prob. 30WDYLCh. 28.4 - What are the specific functions of the accessory...Ch. 28.4 - How is seminal fluid different from semen?Ch. 28.4 - What are the similarities and differences between...Ch. 28.4 - Prob. 34WDYLCh. 28.4 - Prob. 35WDYLCh. 28.5 - Prob. 36WDYLCh. 28.5 - Prob. 37WDYLCh. 28.5 - Prob. 38WDYLCh. 28.5 - Prob. 39WDYLCh. 28.5 - Prob. 40WDYLCh. 28.5 - What factors affect the age that menarche first...Ch. 28.5 - Prob. 42WDYLCh. 28 - _____ 1. The female homologue to the glans of the...Ch. 28 - _____ 2. Ovulation occurs due to a dramatic peak...Ch. 28 - _____ 3. Which statement is accurate about the...Ch. 28 - _____ 4. Which structure contains a primary...Ch. 28 - _____ 5. In the male, what cells produce...Ch. 28 - Prob. 6DYKBCh. 28 - _____ 7. Spermatogonia divide by mitosis to form a...Ch. 28 - _____ 8. Sperm are stored in the _____, where they...Ch. 28 - _____ 9. Which statement is accurate about the...Ch. 28 - _____ 10. The paramesonephric ducts in the embryo...Ch. 28 - What are some anatomic similarities between the...Ch. 28 - What hormones are associated with the female...Ch. 28 - Prob. 13DYKBCh. 28 - List the uterine wall layers, and describe the...Ch. 28 - Compare and contrast the ovarian cycle phases and...Ch. 28 - Describe the relationship among the hypothalamus,...Ch. 28 - What is the function of sustentacular cells in the...Ch. 28 - Describe the process of spermatogenesis, including...Ch. 28 - How do erection and ejaculation occur in the male?Ch. 28 - What structures are formed from the...Ch. 28 - Prob. 1CALCh. 28 - Prob. 2CALCh. 28 - The physician reviews Luisas and Victors blood...Ch. 28 - Prob. 4CALCh. 28 - Prob. 5CALCh. 28 - Prob. 1CSLCh. 28 - Caitlyn had unprotected sex with her fianc...Ch. 28 - Prob. 3CSL
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- Gametes must be haploid because?arrow_forwardWhy do diploid organisms that reproduce via sexual reproduction even bother with meiosis? What is the point of this complex and energetically expensive process?arrow_forwardFor every one cell that goes through meiosis I and meiosis I| a)four haploid sperm or four haploid eggs are produced. b)four haploid sperm or one haploid egg are produced. c)four haploid sperm or one diploid egg are produced. d)two diploid sperm or two diploid eggs are producedarrow_forward
- What is the chromosomal number of the following: (haploid, diploid, triploid, tetraploid) 1. Kidney cell2. skin cell 3. Sertoli Cell 4. ootid 5. endosperm cell 6. primary spermatocyte7. secondary oocyte 8. sperm 9. Zygote10. erythrocytearrow_forwardAre homologous chromosome pairs present in a diploid cell? Are they present in a haploid cell?arrow_forwardWhat would happen to the chromosome number in gametes and offspring if gametes were formed by the mitotic process instead of the meiotic process?arrow_forward
- How does ploidy change in Meiosis I? How many cells are produced at the end of Meiosis I? How many cells are produced at the end of Meiosis II?arrow_forwardWhen is a tetrad specifically formed? Would it be found in a haploid or diploid cell? What event caused the mosaic (mixed) appearance of the 2 inside chromatids?arrow_forwardWhy is meiosis important for the maintenance of the normal quantity of chromosomes of a species with sexual reproduction?arrow_forward
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