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: 8923

#XL - T Zoology

Which of these genetic processes may be most helpful in accounting for the Cambrian explosion?

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#Question id: 15478

#XL - S Microbiology

Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

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#Question id: 20162

#XL - P Chemistry

For which of the following sets of quantum -numbers an electron will have the highest energy ?

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#Question id: 4180

#XL - T Zoology

The anticodon of tRNAala can bind to three different codons for alanine (GCU, GCC and GCA) because

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#Question id: 10329

#XL - S Microbiology

If birds are excluded from the class Reptilia, the term that consequently describes the class Reptilia is