Plant Breeding and Genetics

Polyploidy

Apomixis

Asexual reproduction

All the above

Protein

Ribosome

Nucleic acid

Carbohydrates

Structural gene

Operator gene

Regulator gene

Promotor gene

2 n+1

2 n+3

2 n+2

2 n-1

Lysosome

Mitochondria

Golgi bodies

Endoplasmic reticulum

Grow better under adverse conditions

Give homozygous lines following diplodization

Are useful in studies on meiosis

Require only about half the amount of chemical fertilizers compared to diploids

Hayman (1958)

Jinks and Jones (1958)

Perkins (1968)

Comstock and Robinson (1948)

Tetraploid number of chromosomes

Diploid number of chromosomes

Haploid number of chromosomes

None of these

Metaphase II

Auaphase I

metaphase I

Anaphase II

50 meters

Geneva

200 meters

3 meters