In DNA, cytosine bonds to guanine. In RNA, cytosine bonds to
a. thymine.
b. cytosine.
c. uracil.
d. guanine.
e. adenine.
D
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Assume that you have a garden and some pea plants have solid leaves and others have striped leaves. You conduct a series of crosses [(a) through (e)] and obtain the results given in the table
Cross Progeny solid striped (a) solid × striped 55 60 (b) solid × solid 36 0 (c) striped × striped 0 65 (d) solid × solid 92 30 (e) solid × striped 44 0 Define gene symbols and give the possible genotypes of the parents of each cross.
The animal phylum with the most species is
a. Mollusca. b. Annelida. c. Arthropoda. d. Platyhelminthes.
Describe and discuss the results of two experiments, one using plants and the other using animals, that
support the totipotency of some cells. Emphasize the differences between manipulation of plant and animal cells in your discussion. What will be an ideal response?
The end result of meiosis in animals is ______
A. two diploid cells B. two haploid cells C. four diploid cells D. four haploid cells E. None of the answers are correct