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lianna [129]
3 years ago
15

These laws are meant to reduce which human induced environmental change

Biology
2 answers:
igomit [66]3 years ago
5 0
I think the answer is d
shusha [124]3 years ago
4 0
I also think the answer Is d
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If a mother has a blood type AB+- and her father has a blood type B- and she marries a man with O- blood type. What is the perce
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Genetics, blood type gene has two alleles, each allele has genotype A, B or O. The A and B are dominant, and O is recessive. So allele A combined with allele O is type A. Similarly, BO is type B, AA is type A, BB is type B, OO is type O, and AB is typeAB.

If both parents have type A blood, then the alleles could be AA or AO, thus the allele A frequency is 75%, allele O frequency is 25% for both parents. 
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The +/- is called the rhesus factor, with + being dominant, and - being recessive.
So if both parents are -, the kids are always -, otherwise the kids might be + or -. 

Child Blood Type Estimate Table:
Father's Blood TypeABABOMother's
Blood
TypeAA/OA/B/AB/OA/B/ABA/OBA/B/AB/OB/OA/B/ABB/OABA/B/ABA/B/ABA/B/
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