NEET UG Genetics and Evolution MCQ Practice

Practice Questions

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Q1SingleMarks: 4.00Negative: -1.00

A person having genotype IᴬIᴮ would show blood group AB. This is because of:

A. Co-dominanceB. SegregationC. Incomplete dominanceD. Pleiotropy

Q2SingleMarks: 4.00Negative: -1.00

Mendel proposed that the factor controlling any character is discrete and independent. This proposition was based on:

A. Results of the F₃ generation of a crossB. Self-pollination of F₁ offspringC. The observation that offspring of a cross between plants with two contrasting characters showed only one character without blendingD. Cross-pollination of parental generations

Q3SingleMarks: 4.00Negative: -1.00

All genes located on the same chromosome:

A. Will not form any linkage groupsB. Form different groups depending upon their relative distanceC. Form interactive groups that affect the phenotypeD. Form one linkage group

Q4SingleMarks: 4.00Negative: -1.00

In the F₂ generation of a Mendelian dihybrid cross, the numbers of phenotypes and genotypes are:

A. Phenotypes 4; genotypes 9B. Phenotypes 4; genotypes 16C. Phenotypes 4; genotypes 8D. Phenotypes 9; genotypes 4

Q5SingleMarks: 4.00Negative: -1.00

Which of the following will not result in variations among siblings?

A. LinkageB. Independent assortment of genesC. MutationD. Crossing over

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