The condition in which only one allele of a pair is present is known as
Homozygous
Heterozygous
Hemizygous
Incomplete dominance
- When two genes are situated very close to each other in a chromosome
- Chromosomes exhibit minimum coiling during
- A codon is a sequence of 3 nucleolides on
- Down's syndrome is an example of
- Exhibition of superiority by a hybrid over both of its parents is called
- Klinefelter's syndrome is developed when the chromosome in male is
- Transfer of a gene or genes through a virus is called
- Lethal genes are those which
- Albinism in com plants is best described as
- The genetic constitution of an organism is known as
- Diakinesis is characterised by
- When is the sex of an offspring decided
- Which one of the following chemical characteristics is not common to all living beings ?
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- Dyad is
- Among the following which is a test cross?
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- A chemical mutagen is
- Linked genes may be separated by the process of
- The term 'meiosis' was coined bv
- The chromosomal theroy of heredity implies that
- Colour blindness is caused due to
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- The number of characters investigated by Mendel was
- How many meiosis will be required to produce 102 pollen-grains ?
- The first person to induce mutations was
- DNA duplication occurs in
- The science dealing with study of inheritance and variation is
- The scientists who rediscovered the Mendel's laws are