#Question id: 4742
#Part-A Aptitude & General Biotechnology
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?
#Question id: 4395
#Part-A Aptitude & General Biotechnology
Which of the following chemicals would be the most appropriate for the 5’ labeling of a DNA strand with a radioactive phosphate?
#Question id: 18682
#Part-A Aptitude & General Biotechnology
#Question id: 5431
#Part-A Aptitude & General Biotechnology
Plant having height 6 cm are allowed to cross with plant having height 2 cm , all F1 progeny having height uniform 4 cm were allowed selfing to produced F2 progeny in which 3 plant out of 8 having height 4 cm . what are number of polygene involve in that trait ?
#Question id: 11125
#Part-B Specialized Branches in Biotechnology
In chemical synapses that involve a so-called second messenger, typically a G-protein linked to the postsynaptic receptor is activated when neurotransmitter binds to that receptor. Which of the following represents an activity performed by the activated second messenger?