Which disease results from the genetic inability to synthesize a single enzyme ?
Diabetes
Phenylketonuria
Colour-blindness
Down's syndrome
- Mutations which are not dominant are not lost by a gene pooL This is known as
- The chromosomal theroy of heredity implies that
- Reverse transcription was discovered by
- Exhibition of superiority by a hybrid over both of its parents is called
- Linkage is
- The best method to determine whether an individual is homozygous or heterozygous is
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Albinism in com plants is best described as
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- Base substitutions from base analogues I are called
- Crossing over in meiosis occurs in
- A chemical mutagen is
- Down's syndrome is an example of
- The first person to induce mutations was
- Klinefelter's syndrome is developed when the chromosome in male is
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- When two genes are situated very close to each other in a chromosome
- The segment of DNA which participates in crossing over is known as
- The term 'meiosis' was coined bv
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- In the Operon concept, the regulator gene regulates chemical reactions in the cell by
- In a monohybrid cross the Fi ratio of a backcross is
- Lethal genes are those which
- DNA duplication occurs in
- Dyad is
- Colour blindness is caused due to
- The genetic constitution of an organism is known as
- A giant chromosome having many chromo-nemata lying side by side all along their length is called
- When is the sex of an offspring decided
- A child is bom with an extra chromosome in each of its cells. This is usually the result of