Class 12BiologyPrinciples of Inheritance and VariationMix Examples- Principles of Inheritance and Variation
EasyThe $HLA$ antigen present on human white blood cells is expressed by which chromosome?
- A$4^{th}$ chromosome
- B$6^{th}$ chromosome
- C$21^{st}$ chromosome
- D$22^{nd}$ chromosome
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Similar Questions
Organisms that contain two or more types of genotypes in their tissues are called:
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View SolutionWhich of the following is a correct method for the formation of a new species?
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View SolutionIn a cross between genotypes showing recessive epistasis,the $F_2$ phenotypic ratio will be .....
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View SolutionConsider the following statements regarding the $ABO$ blood group in humans:
$I.$ It is controlled by multiple alleles.
$II.$ It shows codominance.
$III.$ Codominance can be manifested phenotypically in humans.
$IV.$ It follows Mendel's law of inheritance.
Which of the following statement$(s)$ are correct?
$I.$ It is controlled by multiple alleles.
$II.$ It shows codominance.
$III.$ Codominance can be manifested phenotypically in humans.
$IV.$ It follows Mendel's law of inheritance.
Which of the following statement$(s)$ are correct?
Medium
View SolutionWhen a plant of $F_1$ generation is crossed with homozygous dominant parents,it is known as
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