Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN: 9781337408332
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 42, Problem 5SQ
In humans, fertilization typically occurs in the ___________.
- a. vagina
- b. cervix
- c. uterus
- d. oviduct
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In females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization occurs. (d) until ovulation occurs.
During embryonic development, unique cell layers develop into specific groups of tissues or organs during a stage called ________. a. the blastula stage b. the germ layer stage c. the gastrula stage d. the organogenesis stage
Placenta is the structure formed:
A.
by the union of foetal and uterine tissue
B.
by foetus only
C.
by fusion of germ layers
D.
None of these
Chapter 42 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 42 - Prob. 1DAACh. 42 - Prob. 2DAACh. 42 - Prob. 3DAACh. 42 - Prob. 4DAACh. 42 - The end product of cleavage is a __________. a....Ch. 42 - The outermost germ layer in a vertebrate gastrula...Ch. 42 - Prob. 3SQCh. 42 - Prob. 4SQCh. 42 - In humans, fertilization typically occurs in the...Ch. 42 - The ________, a fluid-filled sac, surrounds and...
Ch. 42 - The placenta consists of __________. a. embryonic...Ch. 42 - During the fetal period, ____________. a....Ch. 42 - Prob. 9SQCh. 42 - Match each hormone with its action(s). ______...Ch. 42 - Prob. 11SQCh. 42 - Prob. 12SQCh. 42 - Prob. 13SQCh. 42 - Prob. 14SQCh. 42 - Place these events in human development in the...Ch. 42 - The rubella virus causes German measles. If a...Ch. 42 - A nursing mother who has an alcoholic drink...Ch. 42 - To determine the effect of the bicoid gene,...Ch. 42 - If an embryo splits at the two-cell stage, each of...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
The beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b. organogenesis.c. neurulation.d. gastrulation.
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Gametogenesis 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 implantation
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Menopause is the end of the menstrual cycle in the woman, occurring normally at about 50. Which of the following is NOT a result of menopause?
Select one:
A. High cholesterol level
B. Mood swings
C. Increase in calcium deposition in the bones
D. Loss of hormones
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After fertilisation, the resulting cell which gives rise to a new individual is the:
(a) embryo
(b) ovum
(c) foetus
(d) zygote
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During oogenesis the cell that is fertilized by a sperm to become an egg is:
A
primary spermatocyte
B
secondary oocyte
C
primary oocyte
D
secondary spermatocyte
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Damage to the sustentacular cells of the testes could impair:a. FSH and LH production. c. oogenesis.b. production of estrogens. d. spermatogenesis.
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A human blastocyst normally implants in ................. a. an oviduct c. the uterus b. a seminiferous tubule d. the vagina
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Nutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocyst
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How does folate deficiency affect fetal development?
A.
It does not affect fetal development
B.
It increases the health of the fetus
C.
It can cause birth defects
D.
It helps the fetus to develop faster
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In humans, the development of fertilised egg takes place in the:
(a) ovary
(b) testis
(c) oviduct
(d) uterus
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The hormones in combined estrogen-progestin birth control pills prevent pregnancy primarily by preventing
A)ovarian follicles from maturing.
B)the endometrium from thickening.
C)embryos from implanting.
D)sperm from penetrating ova.
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Which of the following statements is incorrect?a. The placenta secretes hormones such as progesterone, hCG, and estrogen.b. Embryonic tissue and maternal tissue forms the placenta.c. The chorion supplies nutrients to the embryo by diffusion.d. The umbilical cord is formed by one artery and two veins
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