B) An allele is one form of a gene.
A trait is usually determined by more than one gene, much less two traits, so A is false.
Alleles are a form of a gene, and any genes have usually two alleles, not the other way around, so C and D are both false.
Answer: The Sharifate existed from about 967 to 1925. From 1201, the descendants of the Sharifian patriarch Qatada ruled over Mecca, Medina and the Hejaz in unbroken succession until 1925.
Explanation:
So an iron triangle comprises or makes the base of the policy making relation over or among the congressional committees,the bureaucracy, etc.
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The Albany Plan of Union was a plan to place the British North American colonies under a more centralized government. The plan was adopted on July 10, 1754, by representatives from seven of the British North American colonies. Although never carried out, it was the first important plan to conceive of the colonies as a collective whole united under one government.
