Question 38 (a) - Choice 1 [Case Based] - Practice Questions CBSE - Science Class 10 (2023 Boards) - Solutions to CBSE Sample Paper - Science Class 10

Last updated at April 16, 2024 by Teachoo

Two human beings who can both roll their tongues produced 11 children. 3 of these children could not roll their tongues and 8 children could roll their tongues.

(a) Which trait (rolling or not rolling) is controlled by the recessive allele?

Answer:

(a) Only the ‘ not rolling ’ trait is controlled by the recessive allele.

This is because wherever the dominant allele is present, it will make the physical trait to be rolling .

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo

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