Multiple Choice Questions on Mendel's Experiments
1. Gregor Mendel is best known for his work on:
• a) Cell theory
• b) Evolution by natural selection
• c) The structure of DNA
• d) The principles of inheritance
2. Mendel conducted his experiments using:
• a) Fruit flies
• b) Pea plants
• c) Mice
• d) Bacteria
3. Why were pea plants a good choice for Mendel's experiments?
• a) They are expensive to grow
• b) They have a long generation time
• c) They have easily observable traits and can self-pollinate
• d) They only produce one offspring at a time
4. The process in which Mendel controlled the pollination of pea plants by transferring pollen from one plant to another is called:
• a) Self-pollination
• b) Cross-pollination
• c) Natural selection
• d) Mutation
5. Mendel studied several traits in pea plants. Which of the following is NOT a trait studied by Mendel?
• a) Seed color
• b) Plant height
• c) Flower scent
• d) Pod shape
6. In Mendel's experiments, when he crossed true-breeding tall plants with true-breeding short plants, what was the result in the F1 generation?
• a) All plants were tall
• b) All plants were short
• c) The plants were a mix of tall and short
• d) All plants were medium height
7. The trait that appeared in the F1 generation in Mendel's experiments is called the:
• a) Recessive trait
• b) Dominant trait
• c) Blending trait
• d) Mutant trait
8. When Mendel crossed the F1 generation plants, what was the ratio of tall to short plants in the F2 generation?
• a) 1:1
• b) 1:2:1
• c) 3:1
• d) 9:3:3:1
9. Mendel's Law of Segregation states that:
• a) Alleles are always dominant
• b) Traits are blended in offspring
• c) Allele pairs separate during gamete formation
• d) Genes are located on different chromosomes
10. The term for a version of a gene is:
• a) Chromosome
• b) Allele
• c) Genotype
• d) Phenotype
11. An organism with two identical alleles for a trait is described as:
• a) Heterozygous
• b) Homozygous
• c) Dominant
• d) Recessive
12. An organism with two different alleles for a trait is described as:
• a) Homozygous
• b) Recessive
• c) Dominant
• d) Heterozygous
13. The observable characteristics of an organism are called its:
• a) Genotype
• b) Phenotype
• c) Allele
• d) Chromosome
14. The genetic makeup of an organism is called its:
• a) Phenotype
• b) Allele
• c) Genotype
• d) Chromosome
15. A Punnett square is used to:
• a) Determine the sequence of DNA
• b) Predict the outcome of a genetic cross
• c) Visualize the structure of a cell
• d) Measure the rate of photosynthesis
16. If "T" represents the dominant allele for tallness and "t" represents the recessive allele for shortness, what is the genotype of a heterozygous tall plant?
• a) TT
• b) tt
• c) Tt
• d) Impossible to determine
17. In the same scenario as above, what is the genotype of a homozygous recessive short plant?
• a) TT
• b) Tt
• c) tT
• d) tt
18. Mendel's Law of Independent Assortment states that:
• a) Alleles always segregate together
• b) Alleles for different traits are inherited independently of each other
• c) Dominant alleles mask recessive alleles
• d) Genes are located on the same chromosome
19. Mendel's work was not widely recognized until:
• a) His death
• b) The structure of DNA was discovered
• c) It was replicated by other scientists in the early 1900s
• d) It was translated into English
20. Which of the following is an example of a phenotype?
• a) The alleles TT
• b) The alleles Tt
• c) Blue eyes
• d) The presence of chromosome 21
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1. Gregor Mendel is best known for his work on:
• a) Cell theory
• b) Evolution by natural selection
• c) The structure of DNA
• d) The principles of inheritance
2. Mendel conducted his experiments using:
• a) Fruit flies
• b) Pea plants
• c) Mice
• d) Bacteria
3. Why were pea plants a good choice for Mendel's experiments?
• a) They are expensive to grow
• b) They have a long generation time
• c) They have easily observable traits and can self-pollinate
• d) They only produce one offspring at a time
4. The process in which Mendel controlled the pollination of pea plants by transferring pollen from one plant to another is called:
• a) Self-pollination
• b) Cross-pollination
• c) Natural selection
• d) Mutation
5. Mendel studied several traits in pea plants. Which of the following is NOT a trait studied by Mendel?
• a) Seed color
• b) Plant height
• c) Flower scent
• d) Pod shape
6. In Mendel's experiments, when he crossed true-breeding tall plants with true-breeding short plants, what was the result in the F1 generation?
• a) All plants were tall
• b) All plants were short
• c) The plants were a mix of tall and short
• d) All plants were medium height
7. The trait that appeared in the F1 generation in Mendel's experiments is called the:
• a) Recessive trait
• b) Dominant trait
• c) Blending trait
• d) Mutant trait
8. When Mendel crossed the F1 generation plants, what was the ratio of tall to short plants in the F2 generation?
• a) 1:1
• b) 1:2:1
• c) 3:1
• d) 9:3:3:1
9. Mendel's Law of Segregation states that:
• a) Alleles are always dominant
• b) Traits are blended in offspring
• c) Allele pairs separate during gamete formation
• d) Genes are located on different chromosomes
10. The term for a version of a gene is:
• a) Chromosome
• b) Allele
• c) Genotype
• d) Phenotype
11. An organism with two identical alleles for a trait is described as:
• a) Heterozygous
• b) Homozygous
• c) Dominant
• d) Recessive
12. An organism with two different alleles for a trait is described as:
• a) Homozygous
• b) Recessive
• c) Dominant
• d) Heterozygous
13. The observable characteristics of an organism are called its:
• a) Genotype
• b) Phenotype
• c) Allele
• d) Chromosome
14. The genetic makeup of an organism is called its:
• a) Phenotype
• b) Allele
• c) Genotype
• d) Chromosome
15. A Punnett square is used to:
• a) Determine the sequence of DNA
• b) Predict the outcome of a genetic cross
• c) Visualize the structure of a cell
• d) Measure the rate of photosynthesis
16. If "T" represents the dominant allele for tallness and "t" represents the recessive allele for shortness, what is the genotype of a heterozygous tall plant?
• a) TT
• b) tt
• c) Tt
• d) Impossible to determine
17. In the same scenario as above, what is the genotype of a homozygous recessive short plant?
• a) TT
• b) Tt
• c) tT
• d) tt
18. Mendel's Law of Independent Assortment states that:
• a) Alleles always segregate together
• b) Alleles for different traits are inherited independently of each other
• c) Dominant alleles mask recessive alleles
• d) Genes are located on the same chromosome
19. Mendel's work was not widely recognized until:
• a) His death
• b) The structure of DNA was discovered
• c) It was replicated by other scientists in the early 1900s
• d) It was translated into English
20. Which of the following is an example of a phenotype?
• a) The alleles TT
• b) The alleles Tt
• c) Blue eyes
• d) The presence of chromosome 21
https://t.me/t2jwu
https://t.me/t2jwu
https://t.me/BililleAcadamy
https://t.me/BililleAcadamy
♡ ㅤ ⎙ㅤ ⌲ ✉️
ˡᶦᵏᵉ ˢᵃᵛᵉ ˢʰᵃʳᵉ ᶜᵒᵐᵐᵉⁿᵗ