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Biology 21 Online
OpenStudy (anonymous):

Colorblindness is more common in males than in female because the allele for colorblindness is

OpenStudy (anonymous):

@AnswerMyQuestions @Algorithmic @allylovesbunnies @Coolsector @cagliero423 @divu.mkr

OpenStudy (anonymous):

a. dominant and located on the X chromosome b. dominant and located on the Y chromosome c. recessive and located on the X chromosome d. recessive and located on the Y chromosome

OpenStudy (anonymous):

I know that this is a recessive trait, but on what chromosome is it on??

OpenStudy (anonymous):

It is ressesive on the X chromosome, hence why it only seldomly occurs in females

OpenStudy (sreekar369):

do u know in males wat chromosomes will be and in females will nt be

OpenStudy (anonymous):

Males are XY Females XX

OpenStudy (anonymous):

See why it's most common in males?

OpenStudy (abhisar):

Since, it is a recessive trait, it will always be expressed in the homozygous form i.e when both the X chromosomes are defected or carry genes for color blindness. Now males have only one X chromosome so if it carries genes for color blindness there is no other allele to suppress it but since females have to X chromosomes, the other X (normal) chromosome suppresses it.

OpenStudy (abhisar):

Getting it?

OpenStudy (abhisar):

*females have two X chromosomes

OpenStudy (anonymous):

So A? Correct? @Abhisar

OpenStudy (abhisar):

Nerps...

OpenStudy (anonymous):

Then my next guess is C. @Abhisar

OpenStudy (abhisar):

Yes, that's \(\huge \checkmark\)

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