CSS :: Basic Genetics

71.  Examples of non-allelic gene interaction are:
A. Complementary genes B. Supplementary genes
C. Modifier genes D. All of these

72.  Mating of closely related individuals is called:
A. Inbreeding B. Out breeding
C. Atavism D. None of these

73.  Which of these workers coined terms 'homozygous' and 'heterozygous' that we use very commonly in genetics:
A. Bateson B. Saunders
C. Both (a) & (b) D. None of these

74.  Punnet devised a geometrical method for determining genetic combinations during crosses and know the possible expressions which is called:
A. Back-cross method B. Test-cross method
C. Checker-board method D. None of these

75.  Besides devising checker-board method Bateson is also known for:
A. Coining the term allelomorph for genes of contrasting expressions of characters B. Coining terms 'genotype' and 'phenotype'
C. Describing gene interactions D. None of these

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