Ø  A gene interaction in which a pair of recessive genes at one locus prevents the expression of dominant allele at another locus is called as Epistatis.

Ø  Reverse transcription results in the synthesis of complementary DNA.

Ø  Skin colour in humans caused by several genes at one loci is called polygenic inheritance.

Ø  Southern blotting technique useful in Genetic finger printing.

Ø  The most common lethal disease among caucasians is cystic fibrosis.

Ø  Golden rice is contribution of Ingo potrykus and Peter Bayer.

Ø  The location on the chromosome where particular gene is located is known as locus.

Ø  Method of growing cells and tissues invitro on a nutrient medium is called as Tissue culture.

Ø  protoplasts of two different plants fuse to form Heterokaryon.

Ø  Human insulin is synthesized commercially by using Ecoli.

Ø  Golden Rice has potential to solve Night blindness.

Ø  Monoclonal antibodies are used in ELISA, pregnancy test and diagnosis of cancer.

Ø  The technique of obtaining identical copies of the desired gene is called as Gene cloning.

Ø  Vitamin E leads to impotency.

Ø  The first human protein produced through recombinant DNA technology is Insulin.

Ø  Range of different phenotypes produced by one genotype within a certain environment is called Ecophene.

Ø  Rate of accumulation of mutations as percent divergence per million years is termed as Evolutionary clock.

Ø  Euphenics is a science which deals with control of hereditary diseases especially inborn error of metabolism is called as Euphenics.

Ø  Auxin is associated with acid growth theory.

Ø  Close association of chloroplast, peroxisomes and mitochondria in a leaf cell is related to Photorespiration.

Ø  use of molecular markers to identify the individual/lines carrying the target gene under transfer is called as foreground selection.

Ø  Detailed schematic representation of the structural and functional organization of the complete genome of organism is called as genome map.

Ø  Specialized type of peroxisome and site of glyoxylate pathway in certain plants is known as glyoxysomes.

Ø  Type of mating between individuals that are more closely related by ancestry than in random mating is known as genetic assortative mating.

Ø  ratio of economic yield to biological yield is described as Harvest index.

Ø  In Vr-Wr graph in Hayman’s graphical approach if the regression line of a character passes through the origin indicate complete dominance.

Ø  The colour of the flower is due to presence of chromoplast and anthocyanin.

Ø  The source of pollen has a marked effect on the quality of fruit produced by female parents is known as metaxenia.

Ø  Ratio of relative crowding coefficient of any given species in mixture is termed as competition co efficient.

Ø  Sunflower is an indicator plant for deficiency of boron.

Ø  Gibberellin chemical is used in hybrid seed production of paddy to aid in complete panicle excertion.

Ø  Stage of meiotic prophase during which chromosome synapsis occur is called zygotene.

Ø  A storage protein of maize found in the endosperm is called as zein.

Ø  Term luxuriance was coined by Renner.

Ø  A mitogen isolated from maize inbreds referred to as zeatin.

Ø  A situation in which a genotype of the pollen influence developing embryo of the maternal tissue of the fruit to produce an observable effect on the seeds is called Xenia.

Ø  Simultaneous manipulation of several characters for genetic improvement of economic yield is called a selection index.