The chromosome constitution $2n - 2$ of an organism represents
- monosomic
- nullisomic
- haploid
- trisomic
The Correct Option is B
Solution and Explanation
Top Questions on Non-Mendelian Genetics
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Example of Non-Mendelian disorder:
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Match List - I with List - II.
List - I
List-II
(a) Adaptive radiation (i) Selection of resistant varieties due to excessive use of herbicides and pesticides (b) Convergent evolution (ii) Bones of forelimbs in Man and Whale (c) Divergent evolution (iii) Wings of Butterfly and Bird (d) Evolution by anthropogenic action (iv) Darwin Finches List - I List - II Choose the correct answer from the options given below.
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Questions Asked in NEET exam
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- Equilibrium
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Concepts Used:
Non-Mendelian Genetics
The term - non-mendelian inheritance refers to any pattern of heredity in which features do not separate according to Mendel's laws. These principles describe how features linked with single genes on chromosomes in the nucleus are passed down through generations.
Types of Non-Mendelian Inheritance
Codominance Inheritance
It is a form of incomplete dominance in which both alleles for the same feature are expressed in the heterozygote at the same time. For example, the MN blood types of humans.
Incomplete Dominance
In a heterozygote, the dominant allele does not always completely cover the phenotypic expression of the recessive gene, resulting in an intermediate phenotype which is referred to as "incomplete dominance”.
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