A cell undergoing meiosis that contains sister chromatids may be either haploid or diploid.
Answer the following statement true (T) or false (F)
True
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What is the name of the field of biology that compares the development of different organisms in an attempt to understand ancestral relationships between organisms and the developmental mechanisms that bring about evolutionary change?
A. Pattern formation. B. Punctuated equlibrium. C. Cell biology. D. Evolutionary developmental biology. E. Endocrine biology.
Achondroplasia
a. is inherited as an autosomal recessive condition. b. affects about one in one million people. c. affects only homozygotes. d. is characterized by abnormally short arms and legs. e. is all of these.
If a drug interferes with the activities of transfer RNA, which one of the following is likely to occur?
A. DNA will not be able to make copies of itself. B. Proteins will not be produced. C. Mutations will occur to the DNA. D. Messenger RNA will not be manufactured.
Negatively charged subatomic particles that have almost no mass are called
A. polymers. B. neutrons. C. ions. D. electrons. E. protons.