The allele for albinism (c) is recessive to the allele
for normal pigmentation (C). A normally pigmented
woman whose father is an albino marries an albino
man whose parents are normal. They have three
children, two normal and one albino. Give the
genotypes for each person listed. What will be an ideal response?
Answer: Normal pigmented woman, Cc; albino father, cc;
albino man, cc; normal parents, Cc + Cc; three
children, two normal Cc, 1 albino cc
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Concerning body fluid compartments,
A. less than 50% of the total body weight is water. B. more body fluid is contained in extracellular fluid than in intracellular fluid. C. the major influence controlling the movement of water between intracellular and extracellular spaces is osmotic pressure. D. sodium concentration is the primary determinant of water location. E. All of these are correct statements.
Which of the following is an example of an ultimate cause of animal behavior?
A. Variation in hormone receptors governing promiscuity in rodents B. Competition for food resulting in the larval foraging behaviors of fruit flies C. Social environment determining the dominant role in male cichlids D. Phenotypic variation in response to water depth in fish E. Conditioned response in animals
Which of the following statements about plants and animals is false?
A. Complex multicellularity arose in the common ancestor of plants and animals and was retained in each of these groups. B. Animals and plants both use sophisticated adhesion mechanisms to bind their cells together. C. Plants and animals use different genes but similar genetic logic to govern development. D. Plants and animals use networks of different types of regulatory genes to guide their spatial organization. E. None of these statements about plants and animals is false.
Which of the following regions produces hormones that are secreted by the pituitary gland?
A. cerebrum B. cerebellum C. thalamus D. hypothalamus E. medulla oblongata