The M and L cones are coded on chromosome 7 making the lack of the M and L photopsins more prevalent in females.

Name: The M and L cones are coded on chromosome 7 making the lack of the M and L photopsins more prevalent in females.
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Question

Quizplus · Accepted Answer

The genes coding for M and L photopsins are found on the X chromosome, not chromosome 7. As females have two X chromosomes, they are more likely to have a backup copy of the genes, making the lack of M and L cones less prevalent in females than in males.

The M and L Cones Are Coded on Chromosome 7