Melba is one of the unique individuals that has 4 kinds of cones. What is not true about Melba?
A) She must be female because having four kinds of cones requires two X chromosomes.
B) She has two forms of the short-wavelength cone.
C) She has two forms of the long-wavelength cone.
D) She is better at making distinctions between one color and another compared to someone with three cones.

Question

Quizplus · Accepted Answer

Melba having four kinds of cones typically means she has two forms of the long-wavelength cone, not the short-wavelength cone.

Melba Is One of the Unique Individuals That Has 4