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TLS Online TPP Program
#Question id: 4742
#Unit 8. Inheritance Biology
In birds, sex is determined by a ZW chromosome scheme. Males are ZZ and females are ZW. A recessive lethal allele that causes death of the embryo is sometimes present on the Z chromosome in pigeons. What would be the sex ratio in the offspring of a cross between a male that is heterozygous for the lethal allele and a normal female?
TLS Online TPP Program
#Question id: 15765
#Unit 5. Developmental Biology
What is symmetrical differentiation?
TLS Online TPP Program
#Question id: 1543
#Unit 4. Cell Communication and Cell Signaling
Effector cytokines of TH 1 cells?
TLS Online TPP Program
#Question id: 7759
#Unit 5. Developmental Biology
WRKY plant-specific group of transcription factors that play important role in many plant metabolic and developmental processes such as;
a) It contain a 30 amino acid region named for the conserved amino acid sequence WRKYGQK in its N-terminal domain
b) It is an important regulators of plant–pathogen interactions as well as senescence
c) WRKY53 is involved in the regulation of dark-induced leaf senescence
d) In Arabidopsis, leaf senescence is delayed in knockout mutants of the WRKY53 gene
e) WRKY53 also binds to the promoter of the WRKY53 gene, inhibiting its own expression in a negative feedback loop
Which of the following given prediction about WRKY transcription factor is correct?
TLS Online TPP Program
#Question id: 23755
#General Aptitude
Which one of the following is always found in 'Wonder'?