Human Biology: Concepts and Current Issues (8th Edition)
8th Edition
ISBN: 9780134042435
Author: Michael D. Johnson
Publisher: PEARSON
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Chapter 17, Problem 15TY
How does the production of sperm differ from the production of eggs?
a. Sperm production involves meiosis, whereas egg production involves only mitosis.
b. Meiosis during sperm production produces four sperm cells, whereas meiosis during egg production produces only one functional egg cell.
c. Sperm are haploid, whereas eggs are diploid.
d. Sperm production begins during fetal development, whereas the meiotic process that begins egg production doesn't begin until puberty.
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Is this true or false?
a. Fertilization is followed by a cleavage, a period of rapid cell division without growth.
b. From the process above, this results in the production of a large number of cells called blastomeres.
c. In sexual reproduction, the offspring have the same combinations of genes as their parents.
d. Sequential hermaphroditism occurs when an animal is one sex during one phase of its lifecycle and the opposite sex during another phase
How do you expect Kartagener syndrome leads to infertility?
A. The lack of a plasma membrane means that pathogens and foreign substances can permeate the sperm and damage the DNA
B. The lack of microtubules mean the sperm do not have tails and cannot swim to fertilize the egg
C. The lack of dynein means that the sperm cannot bend their tails to swim and fertilize the egg
What is the relationship between a primary spermatocyteand a spermatogonium?a. They are genetically identical.b. The spermatocyte is haploid and the spermatogonium is diploid.c. The spermatocyte has a flagellum; the spermatogonium does not.d. Both b and c are correct
Chapter 17 Solutions
Human Biology: Concepts and Current Issues (8th Edition)
Ch. 17 - How do you feel about the creation and then...Ch. 17 - How far should we go–to what lengths and at what...Ch. 17 - Describe how DNA is replicated before cell...Ch. 17 -
2. Compare and contrast the processes of...Ch. 17 - Explain what mutations are and the role of DNA...Ch. 17 - Name the four phases of mitosis and describe...Ch. 17 -
5. Explain why only one large egg is formed...Ch. 17 - Describe what is meant by selective gene...Ch. 17 - Explain how factors present in the environment can...Ch. 17 - Describe how ribosomes contribute to the formation...
Ch. 17 - Prob. 9CRCh. 17 - Prob. 10CRCh. 17 - What would be the outcome if a cell completed...Ch. 17 - Prob. 2TYCh. 17 - Prob. 3TYCh. 17 - Prob. 4TYCh. 17 - Which of the following are listed in order from...Ch. 17 - Prob. 6TYCh. 17 - Which is likely to be the shortest chain of...Ch. 17 - How many different amino acids could be encoded if...Ch. 17 - Prob. 9TYCh. 17 - Why do cells within an organism differentiate,...Ch. 17 - Which method of cloning is most similar to the way...Ch. 17 - Prob. 12TYCh. 17 - Prob. 13TYCh. 17 - Prob. 14TYCh. 17 -
15. How does the production of sperm differ from...Ch. 17 - Prob. 1AWKCh. 17 - Prob. 2AWKCh. 17 - Prob. 3AWKCh. 17 - Prob. 4AWKCh. 17 - Mitochondria contain their own DNA that is...Ch. 17 - Bacteria can reproduce by simple cell division....
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- If meiosis produce haploid cells, how is the diploid numberrestored for those organisms that spend most of their life cycle in the diploid state? a. DNA replication b. reverse transcription c. synapsis d. fertilizationarrow_forwardRefer to the diagram of gametogenesis to answer item 23 - 25 23. Which of the structure contains haploid (n) number of chromosomes? A. 1 B. 5 C. 6 D. 4 24. Which of the structures contains diploid (2n) number of chromosomes? A. 1 and 2 B. 3 and 4 C. 6 and 8 D. 7 and 925. What is the ratio of spermatids and ootid produced in Gametogenesis? A. 4 spermatids : 4 ootids B. 4 spermatids : 2 ootids C. 1 spermatid : 4 ootids D. 4 spermatids : 1 ootidarrow_forwardWhich germ layer is involved in the process of neurulation? Select one: a. Mesoderm b. Endoderm c. Embryonic disk d. Ectodermarrow_forward
- What is the fundamental difference between mitosis and meiosis? A. DNA is replicated twice in meiosis, but only once in mitosis. B. The number of DNA molecules per cell nucleus is cut in half in meiosis but remains constant in mitosis. C. The number of chromosomes doubles in meiosis, whereas it stays the same in mitosis. D. Mitosis involves two cell divisions, whereas meiosis only involves one.arrow_forwardIn which phases in meiosis is variation of genetic makeup accomplished? a. Prophase I, Anaphase I and Anaphase II b. Prophase II, Anaphase I and Anaphase II c. Prophase I, Metaphase I and Anaphase II d. Prophase II, Metaphase I and Metaphase II If 6 cells undergoing celll division has 12 chromosomes, how many chromosome will there be in the daughter cells after mitosis and meiosis II respectively? a. 6 and 12 b. 12 and 6 c. 6 and 3 d. 6 and 6 In meiosis, the number of chromosomes of the mother cell compared to the resultant daughter cell's chromosome is A. doubled B. halved C. tripled D. the same Elongation of the cell undergoing the last phases of mitosis is due to A. movement of the chromosomes to the opposite poles B. increase in the volume of the cytoplasm that should be contained C. depolymerization of the spindle fibers connected to the kinetochore D. polymerization of the spindle fibers not connected to the kinetochorearrow_forwardWhat produces sperm through spermatogenesis?A. Sertoli cellsB. Leydig cellsC. Interstitial cellsarrow_forward
- What is the unit of transmission during Meiosis? A. chromosomes B. chromatids C. genes D. allelesarrow_forwardWhat is a likely evolutionary advantage of sexual reproduction over asexual reproduction? a. sexual reproduction involves fewer steps b. less chance of using up the resources in a given environment c. sexual reproduction results in greater variation in the offspring d. sexual reproduction is more cost-effectivearrow_forwardWhat is the source of energy for the embryo immediately following the fertilization? Select one: a. Mitochondria of the sperm b. Cytoplasm of the eggarrow_forward
- When genetic males lacked the enzyme that converts testosterone to dihydrotestosterone, what happened to their sexual development? a. They developed an exaggerated male anatomy. b. They looked female at birth but developed male structures at puberty. c. They looked male at birth but developed female structures at puberty. d. They developed as females, except without menstruation or pubic hair.arrow_forwardWhich cell contributes the necessary nutrition to the growing zygote? a a polar body b the egg cell c a spermatocyte d the sperm cellarrow_forwardGametogenesis requires the conclusion of meiosis II. When does this occur in females? a. During fetal development b. At the onset of puberty c. After fertilization d. After implantationarrow_forward
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