CET – BIOLOGY – 2011

• exposé - matière potentielle : b
• exposé
• exposé - matière potentielle : ‘survival

CET – BIOLOGY – 2011 VERSION CODE: A – 1 1. Four chi ldren belonging to the same parents have the fol lowing blood groups A, B, AB and O. Hence, the genotypes of the two parents are ………… 1) Both parents are homozygous for ‘A' group 2) One parent is homozygous for ‘A' and another parent is homozygous for ‘B' 3) One parent is heterozygous for ‘A' and another parent is heterozygous for ‘B' 4) Both parents are homozygous for ‘B' group Ans: (3) One parent is heterozygous for ‘A' and another parent is heterozygous for ‘B' 2.

• human papil loma virus
• complementary cells
• release of egg
• phenotypic ratio of parental combinations to recombiantions
• ans
• species