Organisms that are found together and interact on a more or less permanent basis are in a relationship termed
A. mutualism.
B. parasitism.
C. symbiosis.
D.
transient microbiota.
C
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Which of the following represents the possible genotype(s) resulting from a cross between an
individual homozygous for black hair (BB) and an individual homozygous for blonde hair (bb)? a. BB and Bb b. BB, Bb, and bb c. BB only d. Bb only e. bb only
Which of the following statements about sister chromatids is false?
a. They arise by replication during S phase. b. They separate from each other during each mitotic anaphase. c. They usually contain identical versions of the same genetic information. d. They separate from each other during meiosis I. e. They are joined during prophase I and metaphase I at their common centromere.
You discover a new bird species, but so far have only observed ten nesting females. The female birds are small and mostly brown, with a bit of red around their tails and throats. After the eggs hatch, you perform genetic tests which reveal that all chicks within a nest share the same father, but some chicks across nests also share a father. Based on this, what would you predict about the males of this species?
A. They are smaller than the females with less coloration. B. They are similar in size to the females with more coloration. C. They appear very similar to the females. D. They are larger than the females with more coloration.
Sexual reproduction in humans is an example of DNA recombination
Indicate whether the statement is true or false