Retroviruses have a DNA polymerase called reverse transcriptase which transcribes the RNA
genome into a DNA intermediate.
____________________ Indicate whether the statement is true or false.
T
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Which one of these statements about the hereditary lineage of the Y chromosome is not correct?
A. Ninety-four percent of the Y chromosome consists of sequences in which genetic linkage is complete. B. Because of complete linkage, each hereditary lineage of Y chromosomes is separate from every other lineage. C. Mutations along any given Y chromosome are often lost over time. D. Each unique combination of nucleotides along a Y chromosome constitutes a Ychromosome haplotype. E. Mutations that occur along the Y chromosome are completely linked to any past or future mutations along that chromosome.
Zonation on a rocky intertidal zone refers to the distribution of different kinds of rocks from one area to the next
Indicate whether the statement is true or false
The west coast of Africa and South America in the tropics do not support corals. Which of the following would likely prevent coral growth in these areas?
a. cool northern flowing currents b. cool upwelling water c. depth of 25 meters d. both a and b
Which area of biology is concerned with
studying gene maps, looking for similarities and differences that point to evolutionary connections? a. structural genomics b. Darwinian genomics c. phylogenetic genomics d. comparative genomics e. classical genomics