Tobacco mosaic virus can be transmitted between individual plants by biting insects.
Answer the following statement true (T) or false (F)
True
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The twisted ladder shape of DNA is a result of the covalently bonded building blocks called
A. sterols. B. nucleotides. C. amino acids. D. monosaccharides. E. phospholipids.
The proposed common ancestor to all animals, shown at the left of the evolutionary tree, was a
A. bacterium. B. protist. C. plant. D. None of the answer choices is correct. E. fungus.
The Punnett square illustration above shows
that theoretically a. half of human sperm carry a Y chromosome. b. half of human zygotes are XY. c. all zygotes carry an X chromosome. d. gender depends upon which type of sperm fertilizes the egg. e. all of these are true
If recombination results in random integration of a DNA sequence so that it produces a non-homologous region, the recombination is ________
Fill in the blank(s) with correct word