Shell coiling is a maternal effect phenotype controlled by S gene where S is dominant dextral phenotype over s sinistral phenotype. Dextral coiling Ss male snail was cross with sinistral coiling ss female snail, The phenotype of progeny is 

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#Question id: 834

#Unit 1. Molecules and their Interaction Relevant to Biology

How the proteosome inhibitors  are potentially used in treatment of cancerous cells ?

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#Question id: 10719

#Unit 10. Ecological Principles

Five Hypotheses Explain How Species Richness Affects Community Services, Following statement are given

A) Community services decline with decreased species richness in a stepwise fashion.

B) Species that play the same roles in a community can compensate for each other if some are lost under particular conditions

C) Species richness declines even slightly from its natural levels, community services are reduced immediately

D) Community services change as the number of species increases or decreases, but that the direction of change is not predictable.

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#Question id: 12653

#Unit 6. System Physiology – Plant

In tobacco, virus-induced gene silencing of the genes for which type of  kinases that are the members of the MAPK family, which are involved in the regulation of antiherbivore defenses?

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#Question id: 4732

#Unit 8. Inheritance Biology

What is F2 phenotype ratio observed when a homozygous recessive mutation in either or both of two different genes results in the same mutant phenotype?

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#Question id: 10671

#Unit 10. Ecological Principles

The principle of competitive exclusion states that