Introduction of foreign genes for improving genotype is
biotechnology
vernalization
tissue culture
genetic engineering
D.
genetic engineering
Genetic Engineering is the introduction of foreign genes for improving genotype. It is a technique of manipulating prokaryotic and eukaryotic DNA. It allows breaking of a DNA molecule at two desired places to isolate a specific DNA segment and then its insertion in another DNA molecule at a desired position. The product thus obtained is called r DNA and the technique as genetic engineering.
Pure line breed refers to
heterozygosity only
heterozygosity and linkage
homozygosity only
homozygosity and self assortment
If a homozygous red flowered plant is crossed with a homozygous white flowered plant, the offspring would be
half red-flowered
all red-flowered
half white-flowered
half pink-flowered.
When the filament runs throughout the length of anther, it is called
adnate
dorsi fixed
versatile
syngenesious
Adults of Wuchereria bancrofti attacks
excretory system
nervous system
digestive system
lymphatic system