A is cell, B is organ, and c is tissue.
If this is wrong please tell me and I'll see if I can figure out what I did wrong.
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Answer:
The genotype of male with red-green color blindness is XY, X chromosome possessing recessive allele of gene responsible for differentiating red-green color.
Explanation:
Color blindness is sex-linked trait and its inheritance follows criss-cross pattern. Dominant gene of allelomorpihc pair enables a person to differentiate between red and green color.
The genotype of male and female are different for the pair of sex chromosomes. Male is hetero-zygous (XY) and female is homo-zygous (XX). The gene controlling this trait is present on X chromosome.
Hope this helps (:
Most likely enzymes. Not the best multiple choices out there but that is the best answer
It is the excretory system
