In humans, brown eye color dominates over blue. A homozygous brown-eyed man married

In humans, brown eye color dominates over blue. A homozygous brown-eyed man married a blue-eyed woman. What eye color will their children inherit?

Let the gene that leads to the development of brown eyes in humans be N, and the gene for blue eyes – n.

The man has brown eyes, according to the condition of the problem, he is homozygous – NN. Such a man will produce the same type of sperm containing the brown eyes gene N.

A woman with blue eyes can only be homozygous for this gene – nn. The eggs produced by it n are also of the same type.

All children born in this family will be heterozygous for eye color – Nn, and have brown eyes.

Answer: all children will inherit brown eyes.



One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.