Biology 2e
2nd Edition
ISBN: 9781947172517
Author: Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher: OpenStax
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Textbook Question
Chapter 43, Problem 7RQ
Genetically unique individuals are produced through._________
- sexual reproduction
- parthenogenesis
- budding
- fragmentation
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During the cleavage stage, this process takes the zygote from a single celled organism to multicellular morula.
Question 8 options:
Oogenesis
Spermatogenesis
Cytokinesis
Mitosis
Meiosis
Gamete formation results in ____.
the pairing of homologous chromosomes
offspring that are genetically distinct from each other
offspring that are genetic clones of the present
asexual reproduction
the fusion of gametes
Fusion of pronuclei occurs during ________.a. spermatogenesisb. ovulationc. fertilizationd. capacitation
Chapter 43 Solutions
Biology 2e
Ch. 43 - Figure 43.8 Which of the following statements...Ch. 43 - Figure 43.15 Which of the following statements...Ch. 43 - Figure 43.17 Which of the following statements...Ch. 43 - Which form of reproduction is thought to be best...Ch. 43 - Which form of reproduction can result from damage...Ch. 43 - Which form of reproduction is useful to an animal...Ch. 43 - Genetically unique individuals are produced...Ch. 43 - External fertilization occurs in which type of...Ch. 43 - Which term applies to egg development within the...Ch. 43 - Which term applies to egg development outside the...
Ch. 43 - Sperm are produced in the______ scrotum seminal...Ch. 43 - Most of the bulk of semen is made by the...Ch. 43 - Which of the following cells in spermatogenesis is...Ch. 43 - Which female organ has the same embryonic origin...Ch. 43 - Which female organ has an endometrial lining that...Ch. 43 - How many eggs are produced as a result of one...Ch. 43 - Which hormone causes Leydig cells to make...Ch. 43 - Which hormone causes FSH and LH to be released?...Ch. 43 - Which hormone signals ovulation? FSH LH inhibin...Ch. 43 - Which hormone causes the regrowth of the...Ch. 43 - Nutrient and waste requirements for the developing...Ch. 43 - Progesterone is made during the third trimester by...Ch. 43 - Which contraceptive method is 100 percent...Ch. 43 - Which type of short term contraceptive method is...Ch. 43 - Which hormone is primarily responsible for The...Ch. 43 - Major organs begin to develop during which part of...Ch. 43 - Which of the following is false? The endoderm,...Ch. 43 - During cleavage, the mass of cells: increases...Ch. 43 - Which of the following gives rise to the skin...Ch. 43 - The ribs form from the ___________ . notochord...Ch. 43 - Why is sexual reproduction useful if only half the...Ch. 43 - What determines which sex will result in offspring...Ch. 43 - What are the advantages and disadvantages of...Ch. 43 - Why would paired external fertilization be...Ch. 43 - Describe the phases of the human sexual response.Ch. 43 - Compare spermatogenesis and oogenesis as to timing...Ch. 43 - If male reproductive pathways are not cyclical,...Ch. 43 - Describe the events in the ovarian cycle leading...Ch. 43 - Describe the major developments during each...Ch. 43 - Describe the stages of labor.Ch. 43 - What do you think would happen if multiple sperm...Ch. 43 - Why do mammalian eggs have a small concentration...Ch. 43 - Explain how the different germ layers give rise to...Ch. 43 - Explain the role of axis formation in development.
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- Fertilization of an ovum normally occurs in the vagina. oviduct. uterus. ovary. cervixarrow_forwardFertilization generally occurs in the _________. fallopian tubes ovary uterus vaginaarrow_forwardUsing the words below, label the female reproductive system parts on the diagram below: Infundibulum | Ovary | fallopian tube | cervix | vagina | uterus | endometriumarrow_forward
- Color/mark the date/s in the calendar as described by the following events of 28- days menstrual cycle. The blood drop image indicates the first day of the cycle. RED- uterus sheds its inner lining of soft tissue and blood vessels BLUE-last day of the Follicular Phase GREEN- a mature egg cell is released from the ovary YELLOW- days of the Luteal Phase MARK X- most fertile daysarrow_forwardWhat kinds of cells does meiosis produce? exact copies uniquearrow_forwardThe spermatogonial cell has 46 chromosomes in human male. Give the number of chromosomes in: (a) Primary spermatocyte (b) Spermatidarrow_forward
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