Genetics is defined as: A: Branch of biology concerned with the study of genes, genetic variation, and heredity in organisms

B: Branch of biology which studies the interactions among organisms and their environment.

C: Branch of biology that integrates physical, biological, and information sciences to the study of the environment, and the solution of environmental problems.

D: Branch of biology concerned with the study of microorganisms, those being unicellular, multicellular, or acellular

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

ans.

dna fingerprinting is defined as a process that determines the dna characteristics of an individual. these dna characteristics are unique among individuals as their fingerprints, so it is known as dna fingerprinting.

steps of dna fingerprinting includes extraction of dna from sample, amplification of dna, restriction digestion of amplified dna, and then analysis of dna by gel electrophoresis, respectively.

thus, the next step performed by the scientist is 'to cut the amplified dna (obtained by polymerase chain reaction) by restriction enzymes that cleave the dna into fragments and their analysis.'

the correct answer is option d.

an appositive is a noun, noun phrase or noun clause which follows another noun or noun phrase in order to describe it or name it another way. they are usually used between commas, brackets or dashes.

the example sentence with the correct use of commas is the following:

her uncle, the man over there in the red shirt, owns the hardware store in town.