Which disease results from the genetic inability to synthesize a single enzyme ?
Diabetes
Phenylketonuria
Colour-blindness
Down's syndrome
- A child is bom with an extra chromosome in each of its cells. This is usually the result of
- The number of characters investigated by Mendel was
- The scientists who rediscovered the Mendel's laws are
- Down's syndrome is an example of
- The science dealing with study of inheritance and variation is
- The segment of DNA which participates in crossing over is known as
- The possibilities of hereditary and evolutionary changes are greatest in species that reproduce by
- Diakinesis is characterised by
- A codon is a sequence of 3 nucleolides on
- Linkage is
- The crossing of a homozygous tall plant with a dwarf would yield plants in the ratio of
- The first person to induce mutations was
- Chromosomes exhibit minimum coiling during
- In humans, an example of sex-linked trait is
- A pure tall pea plant was reared in a soil poor in nutrition and reached the size of a pure dwarf pea…
- Dyad is
- If an individual does not breed true for its characters, it is called
- The nuclear membrane completely disappears during
- Which disease results from the genetic inability to synthesize a single enzyme ?
- Which one of the following chemical characteristics is not common to all living beings ?
- Transfer of a gene or genes through a virus is called
- The chromosomal theroy of heredity implies that
- Exhibition of superiority by a hybrid over both of its parents is called
- A person meets with an accident and great loss of blood has occurred. There is no time to analyse…
- Among the following which is a test cross?
- Reverse transcription was discovered by
- The term 'meiosis' was coined bv
- DNA duplication occurs in
- Some people experience PTC paper on tongue as bitter, others as tasteless. This character is hereditary…
- When is the sex of an offspring decided