#Question id: 4742
#Part-B Specialized Branches in 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: 10878
#Part-B Specialized Branches in Biotechnology
The resistance of the pulmonary tree is so low that a 1 cm of water pressure gradient is sufficient to cause normal air flow during resting conditions. Which of the following often has a substantial resistance during pulmonary disease states that can limit alveolar ventilation?
#Question id: 3625
#Part-B Specialized Branches in Biotechnology
If a heterozygous two recessive mutation at different site will give mutant phenotype when gene involved
#Question id: 1754
#Part-A Aptitude & General Biotechnology
High affinity B-cell clones in mammals are usually generated by:
#Question id: 3026
#Part-A Aptitude & General Biotechnology
Not present in all bacteria, this structure enables those that possess it to germinate after exposure to harsh conditions, such as boiling: