A child is bom with an extra chromosome in each of its cells. This is usually the result of
nondisjunction
crossing over
segregation
hybridization
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- When is the sex of an offspring decided
- The chromosomal theroy of heredity implies that
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Among the following which is a test cross?
- Which disease results from the genetic inability to synthesize a single enzyme ?
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- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- Down's syndrome is an example of
- Crossing over in meiosis occurs in
- Chromosomes exhibit minimum coiling during
- An offspring of two homozygous parents different from one another by alleles at only one gene locus…
- The science dealing with study of inheritance and variation is
- Lethal genes are those which
- Diakinesis is characterised by
- Transfer of a gene or genes through a virus is called
- In a monohybrid cross the Fi ratio of a backcross is
- Base substitutions from base analogues I are called
- The best method to determine whether an individual is homozygous or heterozygous is
- The genetic constitution of an organism is known as
- Dyad is
- Mutations which are not dominant are not lost by a gene pooL This is known as
- Klinefelter's syndrome is developed when the chromosome in male is
- If an individual does not breed true for its characters, it is called
- Albinism in com plants is best described as
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- A functional unit of a gene which specifies synthesis of one poly-peptide is known as
- How many meiosis will be required to produce 102 pollen-grains ?
- The number of characters investigated by Mendel was
- A codon is a sequence of 3 nucleolides on
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of