Which one of the following pairs is wrongly matched ?A. XO type sex-determination - GrasshopperB. ABO blood grouping - CodominanceC. Strach synthesis in pea - Multiple allelesD. TH Morgan - Linkage

Which one of the following pairs is wrongly matched ?A. XO type sex-de

1.	Which one of the following pairs is wrongly matched ?A. XO type sex-determination - GrasshopperB. ABO blood grouping - CodominanceC. Strach synthesis in pea - Multiple allelesD. TH Morgan - Linkage
Answer» Correct Answer - C In the given pairs , option (c) is wrongly matched. Starch synthesis in pea is an example of pleiotropy . A pleiotropic gene is a single gene which produces many or multiple unrelated phenotypes . Rest of the pairs are correctly matched . Concept Enhancer The gene for starch synthesis in pea seeds has two alleles B and b . In BB genotype , large starch grains are produced . After maturation the seeds are round . In bb homozygous condition , smaller starch grains are produced and mature seeds are wrinkled . Bb heterozygotes form round seeds so that B seems to be dominant allele. However , Bb seeds have starch grains of intermediate size , showing incomplete dominance.

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Which one of the following pairs is wrongly matched ?A. XO type sex-determination - GrasshopperB. ABO blood grouping - CodominanceC. Strach synthesis in pea - Multiple allelesD. TH Morgan - Linkage

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