Dyad is
a pair of homologous chromosomes
a pair of non-homologous chromosomes
a pair of sister chromosomes
a pair of non-sister chromosomes
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- In a monohybrid cross the Fi ratio of a backcross is
- An offspring of two homozygous parents different from one another by alleles at only one gene locus…
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- Diakinesis is characterised by
- The nuclear membrane completely disappears during
- Crossing over in meiosis occurs in
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- The term 'meiosis' was coined bv
- The number of characters investigated by Mendel was
- The best method to determine whether an individual is homozygous or heterozygous is
- Linkage is
- The scientists who rediscovered the Mendel's laws are
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- DNA duplication occurs in
- The chromosomal theroy of heredity implies that
- Lethal genes are those which
- Mutations which are not dominant are not lost by a gene pooL This is known as
- If an individual does not breed true for its characters, it is called
- Down's syndrome is an example of
- Albinism in com plants is best described as
- Transfer of a gene or genes through a virus is called
- The condition in which only one allele of a pair is present is known as
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- Among the following which is a test cross?
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- When is the sex of an offspring decided
- Klinefelter's syndrome is developed when the chromosome in male is
- The first person to induce mutations was