The following table classifies an individual in two ways-by gender and by educational choice. 
What is this two-way classification called?
Definitions:
Promoter
A specific DNA sequence that binds RNA polymerase and initiates transcription of downstream genes.
Transcription
The technique of duplicating the genetic information present in a DNA strand into a fresh molecule of messenger RNA (mRNA).
mRNA Stability
The propensity of messenger RNA molecules to remain intact and usable for protein synthesis within a cell.
DNA
DNA, the molecule responsible for carrying genetic information critical for the growth, development, functioning, and reproduction of all recognized living organisms and numerous viruses.
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