Mechanism for Expression of Traits
Mechanism for Expression of Traits
Mechanism of Expression of Traits:
A gene contains the information for making proteins in the cell. The proteins synthesized according to this information may be enzymes that catalyse biochemical reactions. Each trait is the outcome of several such biochemical reactions, each of which is controlled by a specific enzyme. If the enzyme is not produced because its gene is absent, that particular reaction will not occur and the trait resulting from its reaction will not appear phenotypically. Thus, each trait is controlled by a gene.
Which of the following are correct ? (a) A gene contains the information for making proteins in the cell. (b) If the enzyme is not produced because its gene is absent, that particular reaction will not occur and the trait resulting from its reaction will not appear phenotypically. (c) Mendel perceived was that each gene is an independent unit which is neither linked with nor influenced by the other gene. | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct ? (a) Each trait is the outcome of several biochemical reactions, each of which is controlled by a specific enzyme. (b) Each parent contributes one copy of the gene for a particular character . | |||
| Right Option : C | |||
| View Explanation | |||
A _____________________ contains the information for making proteins in the cell. | |||
| Right Option : C | |||
| View Explanation | |||
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