Question

Чоловік-дальтонік (ознака зчеплена зі статтю) вступив у шлюб з жінкою,що несе ген дальтонізму.Чи можна чекати від такого шлюбу здорового сина та дочку дальтоніка?​

Answer 1

Так ген іде пополам дитина може бути хворою шанс мати дальтонізму 20/80

Answer 2

Daltonism and Genetic Inheritance

When a man who is colorblind (daltonic) marries a woman carrying the gene for daltonism, the likelihood of their children inheriting the condition depends on the specific genetic makeup of both parents. Daltonism, also known as color blindness, is a genetic condition that primarily affects males. It is caused by an inherited genetic mutation on the X chromosome.

Inheritance Patterns

The inheritance of daltonism follows a specific pattern. The gene responsible for daltonism is located on the X chromosome. Since males have only one X chromosome (XY), they are more likely to express the trait if they inherit the gene. On the other hand, females have two X chromosomes (XX), and for them to express the trait, the gene must be present on both X chromosomes.

Probability of Inheritance

When a man with daltonism marries a woman who carries the gene for daltonism, the probability of their children inheriting the condition can be calculated using Punnett squares. If the woman is a carrier, there is a 50% chance that her sons will inherit daltonism. Daughters, on the other hand, have a 50% chance of being carriers themselves.

Conclusion

In summary, the likelihood of a healthy son and daughter in such a marriage depends on the specific genetic makeup of both parents. While sons have a 50% chance of inheriting daltonism, daughters have a 50% chance of being carriers. It's important to note that these probabilities are based on genetic inheritance patterns and may vary in individual cases.