What is a chromosomal domain as defined by DNase sensitivity?

What will be an ideal response?


Ans: In this context, a chromosomal domain is a region that is sensitive to DNase digestion. The interpretation is that the chromatin structure in this region has been altered to allow transcription, so the domain contains at least one actively transcribed gene.

Biology & Microbiology

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Gregor Mendel was most influential in which field of biology?

A) genetics B) chromatography C) biochemistry D) bacterial transformation E) cytology

Biology & Microbiology

__________ is rapid diversification into new species

that occupy novel niches. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Four of the five structures listed below are sites

where cartilage is found. Select the exception. a. embryonic skeleton b. vertebral discs c. external ear d. end of long bones in skeleton e. skin

Biology & Microbiology

In a particular DNA sequence, nonsynonymous substitutions occurring at a lower rate than synonymous substitutions would be evidence for

a. neutral evolution. b. negative selection. c. genetic hitchhiking. d. positive selection. e. mutational bias.

Biology & Microbiology