Answer:
A homozygous dominant brown mouse is crossed with a heterozygous brown mouse
B= brown mouse
b= black mouse
Bb= heterozygous brown mouse
Bb x Bb= BB, Bb, Bb, and bb 3:1 genotype
phenotype with 3 brown mouse and 1 black mouse offspring
Explanation:
D)...... Hope it helps, Have a nice day:)
They're called Enzyme. They're made up of proteins. They act as a biological catalysts that can speed up chemical reaction. They have an active site that certain substrates binds into it and form a product. Enzyme works under optimum pH and temperature and the active sites are not changed unless denatured.
Yes, it could be.
But there are also many other things it could be the result of.
