Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 42, Problem 1SQ
The end product of cleavage is a __________.
- a. gamete
- b. blastula
- c. gastrula
- d. zygote
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Chapter 42 Solutions
Biology: The Unity and Diversity of Life
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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- An example of a rare genetic disorder in which a person lacks enough blood-clotting proteins caused by a change in one of the genes. a. baldness b. hypertrichosis pinnae auris c. color blindness d. hemophiliaarrow_forwardThe head is normally____ as wide as it is long. A. 1/2 B. 1/3 C. 3/4 D. 2/3arrow_forwardGamete formation results in __________________________. a. the pairing of homologous chromosomes b. offspring that are genetic clones of the parent c. asexual reproduction d. the fusion of gametes. e. offspring that are genetically distinct from each otherarrow_forward
- _____________ is a tranquilizer that is also known as the “date rape” drug. a. Halcion b. Librium c. Rohypnol d. Xanaxarrow_forwardThe process by which the structure labeled B is released from the structure labeled A is known as? A. differentiation B. ovulation C. gastrulation D. germinationarrow_forwardWhich of the following is a genetic disease that causes neurons in the brain to waste away and die? A. Multiple sclerosis B. Polio C. Encephalitis D. Huntington's diseasearrow_forward
- The Kinsey report indicates that more than ____________ as many men had intercourse by age 16 as did women. a. twice b. four times c. ten times d. three timesarrow_forwardVessels entering the kidneys enter via the ______________. a. medulla b. hilum c. cortex d. tubulearrow_forwardLayer A is called _____X________, and ______Y________ develops from this layer. Select one: a. X Y Ectoderm Nervous system b. X Y Endoderm Nervous system c. X Y Endoderm Lining of the digestive tract d. X Y Ectoderm Lining of the digestive tractarrow_forward
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