Thursday, July 9, 2009

What type of inheritance is blood type?

A)polygenic inheritance


B)multiple alleles


C)incomplete dominance


D)recessive genes

What type of inheritance is blood type?
B) polygenic inheritance!
Reply:B. Multiple alleles. A B and O. This is called polymorphism. It is not polygenic, as that would be contribution from many loci. You only have two forms of a blood gene. It is a Mendelian trait. ( for instances; AA or BB or AB or the recessives oo and the combinations Ao and Bo )


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