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ABO blood groups in humans are controlle...

ABO blood groups in humans are controlled by the gene I. It has three alleles - IA, IB and i. Since there are three different alleles, six different genotypes are possible. How many phenotypes can occur?

A

Three

B

One

C

Four

D

Two

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ABO blood groups in human beings are controlled by the gene I . The gene I has three alleles - I^(A),I^(B) and i . Since there are three different alleles, six different genotypes are possible How many phenotypes can occur ?

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'Trihybrid Cross'' Cross between homozygous parents that differ in three pairs of contrasting characters. It forms 8 different gametes and 64 different zygotes. Single phenotype is controlled by more than one set of genes. It demonstrates the Mednel's laws are applicable to the inheritance of multiple traits.

Assertion : ABO Blood grouping is based on multiple alleles. Reason : There are 6 possible genotypes and 4 possible blood types

Write the three allelic forms of the gene, controlling blood type? What do they specify?

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