How can you tell what genes are recessive or dominant when looking at actual gene setups?

Question

Raphael Foster

Biology

6 February, 06:32

How can you tell what genes are recessive or dominant when looking at actual gene setups?

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Answers (2)

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Ann Green · Answer 1

By looking at a gene set up or a punnet square, a gene that's dominant would be represented by a capital letter and recessive traits are represented by lowercase letters for example brown eyes are considered a dominant trait which can be represented as BB for homozygous, and Bb for heterozygous. Since blue eyes are recessive they would be bb.

Ryan Cherry · Answer 2

The recessive traits are usually represented by lowercase letters and the dominant traits are represented by a capital letter.