Pedigrees ____
a. are usually constructed using the phenotypic information of one generation
b. cannot determine whether a trait has a dominant or recessive pattern
c. use squares to represent females and circles to represent males on their diagrams
d. are not useful in deducing the genotypes of parents
e. provide information on the patterns of inheritance of a trait
e
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The gross reproductive rate represents the number of births per 1000 population per unit of time
Indicate whether the statement is true or false
Brassica oleracea was a European wild plant. Early farmers were able to use artificial selection on this plant to produce cabbage, Brussels sprouts, kohlrabi, kale, broccoli, and cauliflower. This diversification through selection was possible because:
A. artificial selection is always possible, whereas natural selection requires much larger population sizes. B. the species contained large amounts of genetic variation. C. artificial selection does not require differential reproductive success, whereas natural selection does. D. artificial selection is only done on plants that are used for food, whereas natural selection is used on all other plants.
Which of the following would possess a cnidocyte?
a) insect b) sponge c) starfish d) jellyfish
Bacteria are able to survive in a concentrated solution due to
a. catalase activity b. cellulose c. compatible solutes d. peptidoglycan layer e. both C and D are the best answers