Question

Примерно 10% женщин в течение жизни сталкиваются с раком молочной железы. Около 15% случаев рака молочной железы имеют наследственную природу и вызваны наследованием неизбежно ведущих к развитию опухолей мутаций (а не только накоплением случайных соматических мутаций). Две сестры (однояйцевые близнецы с идентичным генотипом) заболели в пожилом возрасте (с разницей в 10 лет) раком молочной железы. Оцените вероятность, с которой их опухоли имеют наследственную природу. Ответ запишите в виде десятичной дроби, округлив до десятых.

Answer 1

Ответ:10

вроде как это правильный ответ

Объяснение:

Answer 2

Calculating the Probability of Inherited Breast Cancer

Based on the information provided, we can calculate the probability of the sisters' tumors having an inherited nature.

Given Information: - Approximately 10-15% of breast cancer cases have a hereditary nature. - The sisters are identical twins with the same genotype. - Both sisters developed breast cancer in their later years, with a 10-year difference.

Calculation:

The probability of both sisters' tumors having an inherited nature can be calculated using the following steps:

1. Calculate the probability of one sister having an inherited breast cancer: - Probability of one sister having inherited breast cancer = 10-15% = 0.10-0.15.

2. Calculate the joint probability of both sisters having inherited breast cancer: - Joint probability = Probability of one sister having inherited breast cancer * Probability of the other sister having inherited breast cancer - Joint probability = (0.10-0.15) * (0.10-0.15)

3. Round the joint probability to the nearest tenth.

Result:

The probability of both sisters' tumors having an inherited nature is approximately 1-2%, rounded to the nearest tenth.

This calculation assumes independence between the sisters' breast cancer occurrences and that the probability of inherited breast cancer is consistent across the population.

Remember, it's essential for the sisters to consult with healthcare professionals for personalized risk assessment and genetic counseling.