NEET Botany Questions: Hereditary and Variation

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Physics Chemistry Botany Zoology

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Genotype is





Mendelism is genetics of





Which technique is used by Mendel for hybridization ?




From a single ear of corn, a farmer planted 200 kernels which produced 140 tall & 40 short plants. The genotypes of these off springs are most likely.




Heterozygous tall plants were crossed with dwarf plants what will be the ratio of dwarf plants in the following progency ?




Genetic recombinations occur through




Which of the following is the unit of inheritance ?




Allele is the




Cross XXYy ยด xxYy yields Xx YY:XxYy :Xxyy:xxyy offspring in the ratio of




Genes do not occur in pairs in




which of the following families shows apomixis?





1: 1: 1: 1 ratio shows




In Mirabilis plant the appearance of the pink hybrid (Rr) between cross of a red (RR) and white (rr) flower parent indicates




If there were only parental combinations in F2 of a dihybrid cross then Mendel might have discovered ?





A gene located an y - chromosome and therefore, transmitted from father to son is known as