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Me what we'll be the propery of a careerRosals for colourblindness with a colour bundmate? |
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Answer» Mendelian genetics. Colour blindness is X- linked recessive. So, A colour blind female has two X chromosomes- both of which are recessive- XrXr A colour blind male has one recessive gene and one normal Y chromosome- XrYn. So any progeny of the above couple will be colour blind since colour blindness is decided by the X chromosome. Combinations there of:XrXr- female colour-blindXrYn- male colour-blindXrYn- male colour-blindXrXr- female colour-blind This mode of inheritance makes sure that females rarely are ever colour blind. |
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