Sexual reproduction

• What is the definition of sexual reproduction?


  Sexual reproduction is a biological process where two parent organisms combine their genetic material to produce offspring.
• Why is sexual reproduction important?


  It creates genetically unique offspring, which contributes to genetic diversity.
• What are the reproductive cells involved in sexual reproduction?


  Male and female gametes, specifically sperm and egg cells.
• What is the role of gametes in sexual reproduction?


  Gametes fuse to combine genetic material from two parents.
• How many parents are involved in sexual reproduction?


  Two parents.
• What is fertilization in the context of sexual reproduction?


  Fertilization is the fusion of male and female gametes.
• What is a key characteristic of offspring produced through sexual reproduction?


  Offspring are genetically unique.
• How does sexual reproduction compare to asexual reproduction in terms of genetic variation?


  Sexual reproduction has high genetic variation, while asexual reproduction has low or no genetic variation.
• In what type of environment would sexual reproduction likely provide a survival advantage?


  In an environment with rapidly changing conditions.
• Why does sexual reproduction increase the chances of survival for a species?


  It creates genetically diverse offspring, increasing the likelihood of having traits suited to new environmental challenges.
• How can mutations introduce genetic variation?


  Mutations are rare genetic changes that can introduce new traits.
• How does sexual reproduction differ from asexual reproduction in terms of complexity?


  Sexual reproduction is more complex than asexual reproduction.
• What happens when a human sperm cell fertilizes an egg cell?


  The resulting zygote has genetic information from both the mother and father.
• Give an example of genetic variation in offspring.


  Two brown-eyed parents can produce a blue-eyed child due to genetic variation.
• What is the role of meiosis in genetic variation?


  Meiosis reduces chromosome number by half and randomly shuffles genetic material.
• What are the two primary mechanisms that create genetic variation during sexual reproduction?


  Meiosis and genetic recombination.
• What is genetic variation?


  Genetic variation is the process by which genetic material is mixed during sexual reproduction, creating unique genetic combinations.