Charles Darwin was the first person to propose

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#Question id: 15153

#SCPH01 Biochemistry

In this problem we will explore some of the many ways that mutations in two different genes can interact to produce different Mendelian ratios. Consider a hypothetical insect species that has red eyes. Imagine mutations in two different unlinked genes that can, in certain combinations, block the formation of red eye pigment yielding mutants with white eyes. In principle, there are two different possible arrangements for two biochemical steps responsible for the formation of red eye pigment. The two genes might act in series such that a mutation in either gene would block the formation of red pigment. Alternatively, the two genes could act in parallel such that mutations in both genes would be required to block the formation of red pigment.

Further complexity arises from the possibility that mutations in either gene that lead to a block in enzymatic activity could be either dominant or recessive. If the crosses is made between a wild type insect with red eyes and a true breeding white eyed strain with mutations in both genes. Such considerations yield the Pathways in parallel with recessive mutations in both genes, determine the phenotype of the F1 progeny and the expected phenotypic ratio of red to white eyed insects in the F2.

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#Question id: 16489

#SCPH06 I Botany

The beginning of animal tissue culture can be traced when Arnold showed that 

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#Question id: 20848

#SCPH06 I Botany

In which form does reduction was the major electron accepting process close to a groundwater hydrocarbon spill while methanogenesis predominated downgradient from the spill.

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#Question id: 19199

#SCPH28 | Zoology

Example of calorimetric biosensor could be

1. Hydrogen peroxide and Catalase 

2.  Glucose oxidase

3. HCG and antibody 

4. Peptides and trypsin

Which among the following is the example?

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#Question id: 3672

#SCPH28 | Zoology

During initiation of replication