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Question :Sickle-cell anaemia as well as thalassemia are autosomal recessive diseases.What do the terms autosomal and recessive mean? |
| Answer» Solution : (i) Gene LOCATED on the autosomes are called autosomal genes. (II) An allele that produces its phenotype only when in homozygous but does not EXPRESS when in HETEROZYGOUS is called recessive. | |