Dog breeders maintain the purity of breeds by keeping dogs of different breeds apart when they are fertile. This kind of isolation is most similar to which of the following reproductive isolating mechanisms?

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#Question id: 3868

#SCPH05 I Biotechnology

The sigma factor of E. coli RNA polymerase: 

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#Question id: 4748

#SCPH28 | Zoology

Eye color in Drosophila present on X chromosome, Red eye color is dominant over white eye color. There is non disjunction in Meiosis I in female and normal meiosis in male. Female is white eye color was cross with red eye male. What will be expected phenotype in their progeny?

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#Question id: 744

#SCPH05 I Biotechnology

In a DNA molecule, deoxyribonucleotides are joined into a polymer by the covalent linkage of a phosphate group. The covalent link termed as:

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#Question id: 598

#SCPH05 I Biotechnology

Which might be a method used for distinguishing among several mechanistic possibilities in a multi-substrate reaction?

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#Question id: 3657

#SCPH06 I Botany

Mutations in excision repair genes or a translesion DNA polymerase cause: