Question: 105. Chromosome map for the first time was prepared by (1) A. Sturtevant (3) Watson (2) T.H. Morgan (4) Bridges 106. Tendency of genes


105. Chromosome map for the first time was prepared by (1) A. Sturtevant (3) Watson (2) T.H. Morgan (4) Bridges 106. Tendency of genes to remain together during the formation of gametes is :- (1) Linkage (3) Pleiotropy (2) Inheritence (4) Test cross 107. Red green colourblindness is a sex linked trait. Which of the given statements is not correct regarding colourblindness? (1) It is more common in males than in females. (2) Homozygous recessive condition is required for the expression of colourblindness in females. (3) Males can be carriers of the trait. (4) Colourblind women always have colourblind father and always produce colourblind son.
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