Lactose is a disaccharide formed by the formation of a bond between glucose and
glycosidic; lactose
glycosidic; galactose
hydrogen; sucrose
hydrogen; fructose

glycosidic; galactose.

Explanation:

Lactose is also known as table sugar. Lactose is present naturally in milk and a water soluble sugar.

Lactose is a disaccharide sugar made up of glucose unit. The lactose consists of glucose and galactose linked through the beta 1,4 glycosidic linkage.

Thus, the correct answer is option (2).

i'm gonna put a couple so you can chose from

explanation:

if you know the fur color of the offspring mice, you can use the ratios to identify the genotypes of the parents.

if either parent mouse passes a dominant allele, the offspring will have black fur.

if the parental mice has two different fur color (i.e white and black) , the color of the offspring's fur would be either black, white, or the combination of both (grey)

hope this : )