A is correct (ur welcome)
Phlagellum... i have to have 20 characters for a simple answer, so im just typing i can actually submit my answer
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.
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Tyler has broken his sternum. The sternum is the breastbone
That is called uric acid and it helps them maintain internal homeostasis in hot climates by retaining water