Test Imat 2019-2020: quiz di Biologia

Domande ufficiali di Biologia proposte dal Miur al test IMAT 2019-2020

Domanda 16 di 18

An animal has a coat that has some patches of white hair and some patches of black hair. Cells that make up a hair follicle form a single hair, which is either white or black. Assume that there are no mutations following formation of the zygote.

A student wrote the following statements: 1. The cells in all the hair follicles contain the same genes. 2. The alleles in a hair follicle forming a white hair are different from the alleles in the hair follicle forming a black hair. 3. Each white hair follicle cell contains two recessive alleles. Which statement(s) is/are correct?