Match terms in column I with their description in column II and choose correct option. Column -I Col

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4.Principles of Inheritance and Variation

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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

A

$A-(iv),B-(i),C-(ii),D-(iii)$

B

$A-(iv),B-(iii),C-(i),D-(ii)$

C

$A-(ii),B-(i),C-(iv),D-(iii)$

D

$A-(ii),B-(iii),C-(iv),D-(i)$

(NEET-2016)

Solution

(d)

Standard 12

Biology

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Similar Questions

Doctor's son

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Choose correct answer :

$(i)$ Queen Elizabeth shows a number of haemophilic descendents.

$(ii)$ Variation in blood group prevalences due to incomplete dominance.

$(iii)$ Drosophila has three pairs of autosomal chromosomes.

$(iv)$ In birds, female is heterozygous.

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Which of the following is true about linkage

$I.$ It is phenomenon in which more recombinants are produced in $F_{2}$-generation

$II.$ More parental combination are produced in $F_{2}$-generation

$III.$ Genotype which are present in $F_{1}$ hybrid. Reappear in high frequency in $F_{2}$-generation

$IV.$ It is a phenomenon in which two chromosome are linked

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Select the correct statement:

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(NEET-2018)

What is the correct sequence of the following events

$1.$Formation of the chromosome theory of heredity

$2.$Experiments which proved that $DNA$ is the hereditary material

$3.$Mendel's laws of inheritance-discovery

Code :

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