Exam in Biology:

task of genetics.

The first option. – is
Large ears and a hairy chest are recessive signs localized in the X chromosome at a distance of 20 morganides. A cheborash with naked breasts and small ears, a mother with a hairy breast and a father with large ears, married a cheborash with naked breasts and small ears. Question: how much from this marriage will get cheburash and cheburan with large ears and hairy breasts.

The second option. – is
In columns, baldness is a dominant feature, in columns - recessive. His father is a bald and bald brother. Kolobiha got married to a bald column, bald column and column were born. She was married to a hairy cowboy. What is the likelihood of the appearance of a bald collar in them?