Maternal inheritance of coiling of shell in snail (limnaea peregra) is well established. The dextral coiling depends on dominant allele D and sinistral coiling depends upon recessive allele d. A female F1 progeny of dextral(Dd) type is crossed with a male dextral (Dd). What will be the phenotype ratio in progeny?

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#Question id: 18891

#Unit 13. Methods in Biology

Which of the following microscope are not used for microscopy?

TLS Online TPP Program

#Question id: 18892

#Unit 13. Methods in Biology

The greatest resolution in light microscopy can be obtained with

TLS Online TPP Program

#Question id: 18893

#Unit 13. Methods in Biology

In fluorescence microscopy, which of the following performs the function of removing all light except the blue light?

TLS Online TPP Program

#Question id: 18894

#Unit 13. Methods in Biology

Which of the following is used in electron microscope?

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#Question id: 18895

#Unit 13. Methods in Biology

Degree of scattering in transmission electron microscope is a function of

TLS Online TPP Program

#Question id: 18896

#Unit 13. Methods in Biology

Negative Staining is used for examining.