If ʺxʺ indicates the location of fossils of two closely related species, then fossils of their most-recent common ancestor are most likely to occur in which stratum?

TLS Online TPP Program

#Question id: 22956

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

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 

TLS Online TPP Program

#Question id: 5256

#SCPH05 I Biotechnology

If the experimental population of E. coli lacks an F factor or F plasmid, and if bacteriophage are excluded from the bacterial cultures, then which of these is a means by which beneficial mutations might be transmitted horizontally to other E. coli cells?

TLS Online TPP Program

#Question id: 18388

#SCPH06 I Botany

Remediation of Xenobiotics are done because they cause various hazards

TLS Online TPP Program

#Question id: 14125

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

Which of the following statement is correct about sequence alignment? 

TLS Online TPP Program

#Question id: 4302

#SCPH01 Biochemistry

Which one of the following proteins is involved in promoter recognition in eukaryotes?