Which of the following are incorrectly matched?
A. gene A, sepal formation, whorl 1
B. gene B, petal formation, whorl 2
C. gene E petal formation, whorl 2
D. gene C stamen formation, whorl 3
E. gene B carpel formation, whorl 4
E. gene B carpel formation, whorl 4
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A collection of cloned DNA fragments representing an organism's entire genome is called a ________.
A. complementary DNA collection B. transgenic assembly C. genomic library D. clonal anthology
From which molecule do organisms receive instructions to reproduce and grow?
a. ATP b. carbon c. hydrogen d. DNA e. elements
An open system in which the growth rate is maintained by the removal and addition of media at such a rate as to maintain a constant cell density is called a ________.
A. manostat B. chemostat C. culturostat D. turbidostat
People who inherit one copy of the Rb (retinoblastoma) gene that is normal and one copy that is mutated—that is, people who are heterozygous for Rb—have a greatly increased risk of cancer
Given this information, do you agree or disagree with the following statement? Explain your answer. The Rb mutation must have a dominant effect, which means that it must result in an increase in Rb function. Thus, Rb in its mutant form must be an oncogene.