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प्रश्न
Name the information source for making proteins in the cells.
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उत्तर
Cellular DNA is the information source for making proteins in cells.
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संबंधित प्रश्न
Mendel crossed tall pea plants with dwarf pea plants in his experiment. Write his observations giving reason on the F1 and F2 generations.
State whether the following statement is true or false :
The sex of an infant is not a case of inheritance of characteristics.
The gene for red hair is recessive to the gene for black hair. What will be the hair colour of a person if he inherits a gene for red hair from his mother and a gene for black hair from his father?
Using height (tallness/dwarfness) of a plant as an example, show that genes control the characteristics or traits in an organism.
For his experiments on heredity, Mendel used :
papaya plants
potato plants
pea plants
pear plants
Pure-bred round-yellow pea seeds have genotype RRYY and the pure-bred wrinkled-green pea seeds have genotype rryy. Keeping this in mind, write the phenotypes of the following genotypes of hybrid pea seeds :
(a) Rryy
(b) rrYy
(c) rrYY
(d) RrYy
(e) RRyy
One of the following traits of the parents cannot be passed on to their future generations. This trait is:
List two differences in tabular form between dominant trait and recessive traits. What percentage/proportion of the plants in the F2 generation/progeny were round, in Mendel's cross between round and wrinkled pea plants?
Hereditary characters are transferred from parents to offspring by ______ hence they are said to be structural and functional units of heredity.
In humans, if gene B gives brown eyes and gene b gives blue eyes, what will be the colour of eyes of the persons having combinations
(i) Bb and (ii) BB?
