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level: aiims questions

Questions and Answers List

Question	Answer
the formation of multivalents at meiosis in diploid organism is due to	reciprocal translocation
polygenic genes show	different phenotype
mirabilis jalapa shows	incomplete dominance
frame shift mutation occurs when	base is added or deleted
how many different types of gametes can be formed by F1 progeny, resulting from following cross Tt*Rr?	4
primary source of allelic variation is	mutation
the cri-du-chat syndrome is caused by change in chromosome structure involving	deletion
in india, we find mangoes with different flavours,colours,fibre content, sugar content and even shelf-life. the largest variation occurs on account of	genetic diversity
gene which suppresses other gene's activity but does not lie on the same locus is called as	epistatic
XO-chromosomal abnormality in human beings causes	turner's syndrome
bird females have chromosome arrangement as	WZ
when one gene controls two or more different characters simultaneously, this phenomenon is called	pleiotropy
if both parents are carriers for thalassemia,which is an autosomal recessive disorder, what are the chances of pregnancy resulting in an affected child	25 per cent