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Questions and Answers
What term describes the process of an organism producing offspring to perpetuate its species?
What term describes the process of an organism producing offspring to perpetuate its species?
- Regeneration
- Reproduction (correct)
- Fertilization
- Mutation
Which of the following methods is NOT a type of asexual reproduction?
Which of the following methods is NOT a type of asexual reproduction?
- Fragmentation
- Budding
- Fission
- Fertilization (correct)
What happens during the process of fission in asexual reproduction?
What happens during the process of fission in asexual reproduction?
- A new organism grows from an adult
- Two cells merge into one
- A part of an organism breaks off to regenerate
- One cell divides into two (correct)
Which reproductive method involves the joining of male and female cells?
Which reproductive method involves the joining of male and female cells?
What is the process called in asexual reproduction where a small group of cells grows from the body of an adult?
What is the process called in asexual reproduction where a small group of cells grows from the body of an adult?
Who are credited with describing the structures of DNA?
Who are credited with describing the structures of DNA?
What is the primary concept of heredity?
What is the primary concept of heredity?
Which of the following statements is NOT true regarding heredity?
Which of the following statements is NOT true regarding heredity?
Why is the study of DNA structure important?
Why is the study of DNA structure important?
What was one of the key contributions of Watson and Crick to genetics?
What was one of the key contributions of Watson and Crick to genetics?
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Study Notes
Asexual Reproduction
- A single parent produces offspring without the involvement of gametes (sex cells)
- Fission: Occurs when a single cell divides into two identical cells.
- Fragmentation: A portion of an organism breaks off and develops into a new, complete organism.
- Budding: A new individual grows from an outgrowth or bud on the parent organism.
Sexual Reproduction
- Involves the fusion of male and female sex cells (gametes)
- Fertilization: The process where the sperm cell and egg cell unite to form a zygote, which develops into a new individual.
- Gametes: Specialized sex cells (sperm and egg) that contain half the number of chromosomes found in other body cells.
Heredity
- Refers to the passing of traits from parents to offspring.
- Genes: Segments of DNA that carry the genetic information responsible for traits.
- DNA: Deoxyribonucleic acid, the molecule that contains the genetic code.
- James Watson and Francis Crick: scientists renowned for their discovery of the structure of DNA.
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