Individual and overlapping expression of homeotic genes in adjacent whorl of a flower determine the pattern of floral organ development. In an Arabidopsis mutant, floral organs are distributed as follows

WHORL 1 Sepal

WHORL 2 Petal

WHORL 3 Petal

WHORL 4 Sepal

Loss of function mutation in which one of the following genes would have caused the above pattern of floral organs development 

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#Question id: 2635

#SCPH01 Biochemistry

In E. coli, deleting the ribosome binding site and region 1 of the trp attenuator and leaving the remainder of the attenuator intact has which of the following effects?

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#Question id: 1633

#I Life Science/ Life Sciences Group – I-V

Immunological memory can be transferred experimentally by:

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#Question id: 8851

#SCPH28 | Zoology

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?

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#Question id: 4809

#SCPH12 I Genetics

The upper most following figure above shows the locations of four genes on the genetic map of an organism; the lower figure shows the locations of the same four genes on a physical map derived from the nucleotide sequence of the DNA of that organism. The maps are not identical because

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#Question id: 10231

#SCPH28 | Zoology

Character displacement is results of competition that its operates on a