The recent appearance of antibiotic-resistant strains of bacteria is an example of
A) the action of memory cells. B) evolution by natural selection.
C) natural immunity. D) inflammation.
B
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The process of ________ is described as semiconservative.
A. translation B. transcription C. mismatch repair D. transformation E. DNA replication
There is some debate about whether Homo floresiensis is a separate species or an aberrant form of Homo sapiens. Regardless, what we do know is that H. floresiensis were only found on an Indonesian island and adults were only 3 feet tall
What could explain this distinct phenotype? A. With no predators there was no need to be tall. B. Plants on that island never grew tall, so it was advantageous to be short. C. The smaller body size was necessary for an island, as food is often limited. D. The smaller body size made swimming easier. E. The smaller body size made conserving heat easier.
This image represents:
1.sister chromatids
2.a duplicated chromosome
3.two alleles
4.homologous chromosomes
Color blindness is an X-linked trait in humans. If a color-blind woman marries a man with normal
vision, the children will be a. all color-blind daughters, but normal sons. b. all color-blind sons, but carrier daughters. c. all normal sons, but carrier daughters. d. all color-blind children. e. all normal children.