Reparation of consumers. For example when humans exhale they send carbon dioxide back into the atmosphere.
This is the era of recent life that began about 66 million years ago and continues today. It includes the first appearance and Homo sapiens about 400,000 years ago. <span />
So Male is AB
and Femlae is AO
so on crossing there ;
........A ......O
A....AA... AO
B ...AB... BO
So genotypes ; AA , AO , AB, BO
And phenotypes; Blood types A, AB , B
*used dots in punnet as i do not get proper spacing !!
Answer:
What is d. anti-B; A
Explanation:
A person with type A blood has Anti-B antibodies circulating through his or her plasma and produces A antigens on the cell surface.
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Thanks,
Miss Hawaii