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4.Principles of Inheritance and Variation
hard
Match the Column - $I$ with $II$
| Column - $I$ | Column - $II$ |
| $(a)$ Pleiotropic gene | $(i)$ Both allele express equally |
| $(b)$ Co-dominance | $(ii)$ Change in nucleotide |
| $(c)$ Epistasis | $(iii)$ One gene shows multiple phenotypic expression |
| $(d)$ Mutation | $(iv)$ Rust disease |
A
$a-i, b-ii, c-iii, d-iv$
B
$a-ii, b -iii, c - iv , d - i$
C
$a-iii, b-i, c-i v, d-i i$
D
$a-iii, b-iii, c-iv, d-ii$
(AIIMS-2019)
Solution
The correct option is $(C).$
Standard 12
Biology
Similar Questions
Match the terms in column $I$ with their description in column $II$ and choose the correct option.
| Column $-I$ | Column $-II$ |
| $(A)$ Dominance | $(i)$ Many genesgovern a single character |
| $(B)$ Codominance | $(ii)$ In a heterozygousorganism only one allele expresses itself |
| $(C)$ Pleiotropy | $(iii)$ In a heterozygousorganism both alleles express themselves fully |
| $(D)$ Polygenic | $(iv)$ A single gene inheritanceinfluences many characters |
Match the following columns.
| Column $- I$ | Column $- II$ |
| $(w)$ Blood group | $(a)$ Polygenic inheritance |
| $(x)$ Skin colour | $(b)$ Aneuploidy |
| $(y)$ Mendelian disorder | $(c)$ Incomplete dominance |
| $(z)$ Chromosomal disorder | $(d)$ Sickle-cell anaemia |
| $(e)$ Co-dominance |
medium
medium
