1) CRCW is an example of a................ trait a) Sex-linked b) Homozygous dominant c) Co-dominant d) Homologous 2) An example of co-dominance is.... a) Hemophelia b) Colour blindness c) Duchenne muscular dystrophy d) ABO blood groups e) 3) Examples of sex-linked disorders are...... a) Red-blue colour blindness b) Red-green colour-blindness c) Cystic fibrosis d) Duchenne muscular dystrophy 4) Complementary to the DNA adjacent to the STR that needs to be copied. a) DNA primers b) Nucleotides c) DNA polymerase d) Taq polymerase 5) In PCR, when DNA is heated 94-96 degrees a) primers anneal b) hydrogen bonds between chains break c) It is destroyed d) DNA polymerase attach to nucleotides 6) Derived from a single ovum, and so identical refers to the term a) Clone b) Monozygotic c) Asexual d) Non-identical twins 7) A form of asexual reproduction in which new individuals form outgrowths on the bodies of mature organisms is called a) Budding b) Mitosis c) splitting d) Somatic-cell nuclear transfer 8) Pluripotent means a) can give rise to most cell types b) capable of giving rise to all cell types

IB genetics quiz

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