NEET Biology: Mendelian Genetics Practice Questions

15 questions with answers and step-by-step solutions. Tap any question to see the full worked solution.

  1. Q1.
    What is the phenotypic ratio of a Mendelian monohybrid cross in the F2 generation?
    Easy
  2. Q2.
    Which law of Mendel states that alleles segregate during gamete formation?
    Easy
  3. Q3.
    What is the genotypic ratio of a Mendelian monohybrid cross in the F2 generation?
    Easy
  4. Q4.
    Which term describes an organism that has two identical alleles for a particular trait?
    Easy
  5. Q5.
    Which of the following is considered the father of genetics?
    Easy
  6. Q6.
    If a plant with genotype AaBb is self-pollinated, what is the proportion of offspring that will have the same genotype as the parent?
    Medium
  7. Q7.
    A test cross of an F1 individual with a double recessive parent resulted in a phenotypic ratio of 1:1:1:1. This indicates that the F1 individual is:
    Medium
  8. Q8.
    Which of the following represents the correct phenotypic ratio of a monohybrid cross exhibiting codominance in the F2 generation?
    Medium
  9. Q9.
    In snapdragons, flower color shows incomplete dominance. A cross between a pink-flowered plant and a white-flowered plant will produce offspring in the ratio of
    Medium
  10. Q10.
    In a dihybrid cross between two heterozygous individuals for seed shape (Rr) and seed color (Yy), what is the probability of obtaining an offspring that is homo
    Medium
  11. Q11.
    In a test cross of a trihybrid individual (AaBbCc) where genes A and B are linked with 20 map units distance and gene C is on a different chromosome, what is th
    Hard
  12. Q12.
    If across between two individuals produces a phenotypic ratio of 9:3:4 in the F2 generation, what type of gene interaction is occurring?
    Hard
  13. Q13.
    A man with blood type AB marries a woman with blood type O. What is the probability that their child will have blood type O?
    Hard
  14. Q14.
    In a dihybrid cross between two heterozygous individuals for two genes showing independent assortment, what is the probability that an offspring will show the d
    Hard
  15. Q15.
    A plant with genotype AaBbCc is selfed. Assuming independent assortment and complete dominance, what proportion of the offspring will have the phenotype ABC?
    Hard

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