What is the mechanism for the production of genetic recombinants?
A) X inactivation
B) methylation of cytosine
C) crossing over and independent assortment
D) nondisjunction
E) deletions and duplications during meiosis
Answer: C) crossing over and independent assortment
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What did the classic experiments of Allard and Gardner demonstrate regarding the flowering behavior of Maryland Mammoth?
A. Flowering depends on temperature. B. Flowering depends on leaf size. C. Flowering depends on plant height. D. Flowering depends on day length.
In the process of cell differentiation,
a. some daughter cells usually receive varying assortments of genes. b. different genetic instructions begin to operate in different groups of cells. c. cells become specialized as a result of meiosis. d. daughter cells acquire different characteristics as a result of mutations that have occurred. e. all of these
Which organism is most likely to have a type III survivorship curve?
A. a domestic dog B. corn in a farmer's field C. an oak tree D. Paramecium
All DNA viruses of animals replicate in the nucleus of the host cell.
Answer the following statement true (T) or false (F)