It plays a role in nerve conduction, constriction and relaxation of blood vessels, and hormone secretion. Calcium also plays a vital role in muscle contraction, including your cardiac and skeletal muscles.
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Answer: Sister chromatids.
Explanation: Because the Sister chromatids carry the same alleles.
The probable genotype of the IV-3 with the perspective of autosomal inheritance will be A because he does not have condition A. Therefore both parents must be in condition A.
The probable genotype of IV-3 with the perspective of set=linked inheritance will be BbY this is because he has B condition. Therefore the mothers' genotype must be XBXb and the father's genotype must be XBY.
The probability of IV-4 having condition A is 1/36
