Phrases Vector

biology help please please?

A technique that uses radioactively labeled DNA to identify specific genes in a piece of DNA is called the
A. Northern blot.
B. Southern vector.
C. Northern lights.
D. Southern blot.

Which phrase summarizes the goal of genome sequence assembly?
A. to separate and store for future reference all of the genes in a genome
B. to deduce and record the exact order of every nucleotide base in a genome
C. to develop a method of producing every gene product made by an organism
D. to replace gel electrophoresis as the primary tool in gene technology

What have scientists discovered about the human genome?
A. Humans have about 120,000 genes
B. Most human DNA is noncoding
C. Humans are 50% related to each other.
D. Human genes are not similar to those of other animals.

please help

A technique that uses radioactively labeled DNA to identify specific genes in a piece of DNA is called the

D. Southern blot.

Which phrase summarizes the goal of genome sequence assembly?

B. to deduce and record the exact order of every nucleotide base in a genome

What have scientists discovered about the human genome?

B. Most human DNA is noncoding

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