Dyad is
a pair of homologous chromosomes
a pair of non-homologous chromosomes
a pair of sister chromosomes
a pair of non-sister chromosomes
- Linkage is
- A chemical mutagen is
- Reverse transcription was discovered by
- In humans, an example of sex-linked trait is
- The science dealing with study of inheritance and variation is
- When is the sex of an offspring decided
- Among the following which is a test cross?
- The chromosomal theroy of heredity implies that
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- The term 'meiosis' was coined bv
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- DNA duplication occurs in
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- The genetic constitution of an organism is known as
- Mutations which are not dominant are not lost by a gene pooL This is known as
- Base substitutions from base analogues I are called
- The number of characters investigated by Mendel was
- Linked genes may be separated by the process of
- Colour blindness is caused due to
- In a monohybrid cross the Fi ratio of a backcross is
- The segment of DNA which participates in crossing over is known as
- Exhibition of superiority by a hybrid over both of its parents is called
- Which one of the following chemical characteristics is not common to all living beings ?
- When two genes are situated very close to each other in a chromosome
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- The best method to determine whether an individual is homozygous or heterozygous is
- A codon is a sequence of 3 nucleolides on
- The condition in which only one allele of a pair is present is known as
- Diakinesis is characterised by
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…