Balbiani rings rigs are sites of
Lipid synthesis
Nucleotide synthesis
Polysaccharide synthesis
Polysaccharide synthesis
D.
Polysaccharide synthesis
A Balbiani ring is a large chromosome puff. Balbiani rings are diffused uncoiled regions of the polytene chromosome that are sites of RNA transcription and protein synthesis.
A colour blind man marries a woman with normal sight who has no history of colour blindness in her family. What is the probability of their grandson being colour blind?
0.5
1
Nil
Nil
In angiosperms, microsprogenesis and megasporogenesis
occur in anther
form gametes without further divisions
Involve meiosis
Involve meiosis
Ectopic pregnancies are referred to as
Pregnancies with genetic abnormality
Implantation of embryo at site other than uterus
Implantation of defective embryo in the uterus
Implantation of defective embryo in the uterus
Which of the following pairs is not correctly matched?
Which of the following immunoglobulins does constitute the largest percentage in human milk?
lgD
lgM
lgA
lgA
In the following human pedigree, the filled symbols represent the affected individuals. Identify the type of given pedigree. 
Autosomal dominant
X-linked recessive
Autosomal recessive
Autosomal recessive
The cutting of DNA at specific locations become possible with the discovery of
Restriction enzymes
Probes
Selectable markers
Selectable markers
In his classic experiments on pea plants, Mendel did not use
Seed colour
Pod length
Seed shape
Seed shape
