Question

In a family, a girl and her brother are said to be more closely related as compared to girl and her first cousin on evolutionary basis. Identify the correct statement based on this information.

Statement 1: They have a common ancestor in the second generation.

Statement 1: They have a common ancestor in the first generation.

• A. Only statement 1 is correct
• B. Only statement 2 is correct
• C. Both the statements are correct
• D. Both the statements are incorrect

Answer 1

The correct option is B Only statement 2 is correct

Girl will be more closely related to her brother as compared to her first cousin because girl and her brother share a common ancestor in the first generation i.e., their parents. On the other hand, she shares a common ancestor (grand parents) in the second generation with her cousin.