After crossing my pet black mouse Zwart with my pet white mo

After crossing my pet black mouse, Zwart, with my pet white mouse, Blanca, eight offspring were produced. Two were, black, four were gray, and two were white. The gray offspring show an example of what type of allele interaction?

a. incomplete dominance

b. autosomal recessive

c. polygenic effects

d. X-linkage

e. environmental effects

Solution

Answer: The Gray genotype of the mouse shows \"Incomplete dominance\".

Explanation: Skin colour is an skin color an inherited trait. It is a type of incomplete dominance which menas that no specific trait over-rules the others. Both the genes of the parents could be jointly regulating melanin content in combination, thus deciding the skin tone. Thus the combination of genes, a progeny gets from the parents, decides the skin tone. The variations in the gene traits are completely expressed, and visually it is seen as mixed skintone of the progeny. Therefore in the present case, a variety of progeny, with black, white and gray skin tones are produced. Other features, such as height, eye color, and hair color could be under the control of multiple gene, called as polygenic inheritance.