As described in your book, many commercial flowers have extra whorls of flowers, based on a mutation that causes stamens to develop as extra petals. How do you predict these commercial flowers reproduce among themselves?
A. they cannot reproduce
B. sexually
C. double fertilization
D. somatic embryogenesis
Answer: D
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Nitrites (--NO2) are converted to nitrogen gas (N2) by
A. decomposers. B. nitrogen-fixing bacteria. C. nitrifying bacteria. D. denitrifying bacteria.
Four of the following are characteristics of a species. Which one is the exception?
A. They exist in one or more populations. B. They produce fertile offspring. C. They are reproductively isolated from other groups. D. They are identical in appearance. E. They interbreed.
Answer the following questions true (T) or false (F)
1. Southern blotting is a technique that can be used to identify microbes that cannot be cultured. 2. The microbes residing on human skin are part of the human microbiome. 3. Scientists were able to increase the production of naturally occurring vitamin A in rice plants.
Which chromosomes do not determine the set of an individual?
What will be an ideal response?