Which are the two types of genes?
Answers
Answer:
The chemicals come in four types A, C, T and G. A gene is a section of DNA made up of a sequence of As, Cs, Ts and Gs. Your genes are so tiny you have around 20,000 of them inside every cell in your body! Human genes vary in size from a few hundred bases to over a million bases.
Answer:
Types of Genes:
1. House Keeping Genes (Constitutive Genes)
They are those genes which are constantly expressing themselves in a cell because their products are required for the normal cellular activities, e.g., genes for glycolysis, ATP-ase
2. Non-constitutive Genes (Luxury Genes):
The genes are not always expressing themselves in a cell. They are switched on or off according to the requirement of cellular activities, e.g., gene for nitrate reductase in plants, lactose system in Escherichia coli. Non- constitutive genes are of further two types, inducible and repressible.
Explanation:
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