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5.Molecular Basis of Inheritance
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Tizo and Levan's contribution is very significant because they
A
Gave the number of human chromosomes
B
Pointed out mutational changes
C
Identified Barr bodies
D
Detected sex linkage
(AIPMT-1993)
Solution
(a) Tizo and Levan $(plant cytologists)$ in $1956$ enabled the human geneticists to as certain the correct chromosome number.
Standard 12
Biology
Similar Questions
Match the columns.
| Column – $I$ | Column – $II$ |
| $(a)$ $U U U$ | $(1)$ Serine |
| $(b)$ $G G G$ | $(2)$ Methionine |
| $(c)$ $(c)$ $U C U$ | $(3)$ Phenylalanine |
| $(d)$ $C C C$ | $(4)$ Glycine |
| $(e)$ $A U G$ | $(5)$ Proline |
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