Current location - Information Consultation Platform - Information Technology Consulting - In the following groups of characters, the relative characters are () A. Sister's long hair and brother's short hair B. Little Wang Sheng's curly hair and small hair.

In the following groups of characters, the relative characters are () A. Sister's long hair and brother's short hair B. Little Wang Sheng's curly hair and small hair.

A, traits are controlled by genes, and the length of hair is not controlled by genes, which is not a relative trait. A is wrong;

B, Xiao Tiansheng's curly hair and Xiao Liutiansheng's straight hair are the same creature, and the different realization of the same trait is a relative trait, and B is correct;

C. Biological traits are determined by genes. People's height and weight are not determined by genes and cannot be called relative traits. C error;

D Gao Xiao's big eyes and Xiao Lu's tall nose are two characters, not relative characters. D is wrong.

Therefore, choose: B.

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