DNA duplication occurs in
meiosis only
meiosis II and mitosis
mitosis only
meiosis I and mitosis
- The science dealing with study of inheritance and variation is
- When two genes are situated very close to each other in a chromosome
- In humans, an example of sex-linked trait is
- Colour blindness is caused due to
- Dyad is
- The chromosomal theroy of heredity implies that
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- The condition in which only one allele of a pair is present is known as
- Down's syndrome is an example of
- A chemical mutagen is
- Base substitutions from base analogues I are called
- Crossing over in meiosis occurs in
- Mutations which are not dominant are not lost by a gene pooL This is known as
- The term 'meiosis' was coined bv
- Linkage is
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- When is the sex of an offspring decided
- Exhibition of superiority by a hybrid over both of its parents is called
- The number of characters investigated by Mendel was
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- DNA duplication occurs in
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- 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 person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- How many meiosis will be required to produce 102 pollen-grains ?
- Which one of the following chemical characteristics is not common to all living beings ?
- The nuclear membrane completely disappears during
- If an individual does not breed true for its characters, it is called
- The scientists who rediscovered the Mendel's laws are