Plant Breeding and Genetics

Linkage and crossing over

Presence of lethal genes

Presence of multiple alleles

Sex-linkage

Improvement of crop can take place

Microbes act as biological factories

The gene pool is maintained

Genetic error can be rectified

Benda

Miescher

Van Mohl

Schultz

2n+1

2n-1

2n-2

2n+2

Experimental alterations in the structure of the genes

Science concerned with improvement of heredity of human race

Science concerned with improvement of heredity of animals

Genetics of eukaryotes

Gene splicing

Gene cloning

Gene sequencing

Micro cloning

USA

Thailand

Den mark

Switzerland

Lamark’s idea on inheritance of acquired character’s

Mendes’s experiment on pea

Mathis’s essay on population

De Vries theory of mutation

Protein

Oil

Vitamin

All the above

P (P-1)

P (P-1)/2

P (P+1)/2

P2