Place the correct word(g) In each sentence to review how blood types are Inherlt

Question

Place the correct word(g) In each sentence to review how blood types are Inherlted In humans alleles, the gene exists in several dominant When a trait is controlled by allelic forms. two of the possible However, each individual will still only possess alleles antibodies six alleles for the same gene control the inheritance of For example, ABO blood types. 5,8 on red These three alleles determine the presence or absence of blood cells antigens The allele encodes for the production of antigen, the allele encodes for single antigen production, and the Valicie encodes forantigen no Both the A anof alleles are over the i allele, however, both are fully expressed. or codominant, in the presence of each other four three Th is results in variant genotypes possible blood phenotypes from multiple The results are. Ablood type (rr, -) AB blood type andO blood type ) ifB blood type( recessive Reset

Explanation / Answer

When a trait is controlled by multiple alleles, the gene exists in several allelic forms. however, each individual will still only possess single of the possible alleles. for example, three alleles for the same gene control the inheritance of the ABO blood types. these three alleles determine the presence or absence of antigens on red blood cells. the IA allele encodes for the production of A antigen, the IB allele encodes for B antigen production. and the I allele encodes for O antigen production. both the IA and IB alleles are dominant over the I allele. however, both are fully expressed, or codominant, in the presence of each other. this results in six possible blood phenotype from four variant genotypes. the results are A blood type ( IAIA , single) B blood type ( two, IBI), AB blood type ( two) and O blood type ( single)

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