Refer to NEET UG Biology Heredity and Variation MCQs provided below. NEET Full Syllabus Biology MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Biology with answers have been prepared as per the latest syllabus, NEET books and examination pattern suggested in Full Syllabus by NEET, NCERT and KVS. Multiple Choice Questions for Heredity and Variation are an important part of exams for Full Syllabus Biology and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NEET Full Syllabus Biology and also download more latest study material for all subjects
MCQ for Full Syllabus Biology Heredity and Variation
Full Syllabus Biology students should refer to the following multiple-choice questions with answers for Heredity and Variation in Full Syllabus. These MCQ questions with answers for Full Syllabus Biology will come in exams and help you to score good marks
Heredity and Variation MCQ Questions Full Syllabus Biology with Answers
GENE INTERACTION :-
Gene interaction is the modification of normal phenotypic expression of a gene due to either its alleles or non- allelic genes.
Gene interaction is of two types:-
(i) Intragenic interaction
(ii) Intergenic interaction
Intragenic interaction :-
In intragenic interaction , two alleles of a gene which are present on the same gene locus on the two homologous chromosomes ,react to produce modified phenotype.
Eq :- 1. Incomplete dominance
2. Codominance
3. Multiple alleles
Intergenic interaction :- It is the modified effect of a gene under the influence of a non - allelic gene.
Eq :- 1. Complementary genes
2. Supplementary genes
Complementary genes :-
If two genes present on different loci produce the same effect when present alone but interact to form a new trait when present together are called complementary genes. Complementary gene ratio is 9 : 7
Supplementary Genes :-
Supplementary genes are two non allelic genes in which one type of gene produces its effect whether the other is present or not and the second gene produces its effect only in the presence of the first, usually forming new trait. Supplementary gene ratio is 9 : 3 : 4
INHERITANCE :-
There are two types of inheritance
1. Qualitative inheritance / Monogenic inheritance
2. Quantitative inheritance / polygenic inheritance
Monogenic inhenitance :-
* A single dominant gene inflences a complete trait.
* Intermediate forms are not produced
Polygenic inheritance :-
* Full trait is shown when all dominant alleles present.
*Each dominant allele expresses a part or unit of the trait.
* Intermediate forms are produced
Ex:- Human skin colour
VARIATIONS :-
* Variations are differences found in morphological, physiological, Cytological and behavioural traits of individuals belonging to same species.
* Hereditary variations are transmitted from generation to generation where as environmental variations are temporary and do not relate with last or next generation.
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NEET Full Syllabus Biology Heredity and Variation MCQs
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MCQs for Biology NEET Full Syllabus Heredity and Variation
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Heredity and Variation MCQs Biology NEET Full Syllabus
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Heredity and Variation NEET Full Syllabus MCQs Biology
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NEET MCQs Biology Full Syllabus Heredity and Variation
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