Biology; Chemistry; Physics: Post your doubts here!

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35- (B) Gender, Blood Group, Sickle Cell are all discontinous.
47- (B) It's Tt so it's confirmed that there's an allele T and an allele T.
55 - (D) Location of gene is same on chromatids. But genes have alternate forms also called as alleles which may be different or same.
59- (C) From the ER "There are two distinct groups of offspring, such as in the cross of a heterozygous tall strain of pea with a
homozygous short one. The groups are separated by 21cm. Within each group there is continuous variation."
63- (C) Same as above.
64- (B) You cant observe ratios properly in small number of offspring.
 
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