GCSE Biology - Natural Selection and Genetic Modification
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GCSE Biology - Natural Selection and Genetic Modification - Leaderboard
GCSE Biology - Natural Selection and Genetic Modification - Details
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20 questions
🇬🇧 | 🇬🇧 |
Name the stages if Mitosis? | Prophase, Metaphase, Anaphase, Telophase, and cytokinesis |
What is the function of Mitosis? | Growth and Repair |
What is the function of Meiosis? | To produce gametes (sex cells) |
Name the two human gametes? | Sperm and Ovum (Egg) |
How many chromosomes does a human diploid cell have? | 46 (or 23 pairs) |
Define genetic variation? | Differences among individuals in the composition of their genome |
Define mutation? | A change in an organisms DNA sequence |
Name 3 factors that can increase the likelihood of a mutation? | Radiation, UV light, and Exposure to X-Rays |
Define Cancer? | Uncontrolled Cell Division |
Name 3 things caused by genetic/inherited variation? | Blood Type, Skin Colour, Eye Colour |
Define Natural Selection (survival of the fittest)? | Those organisms best adapted to their environment are more likely to survive, breed and pass their desirable characteristics onto their offspring |
What causes evolution by natural selection? | Competition for resources |
Name the 3 human fossil remains in order of age (oldest to newest) that provide evidence for the theory of evolution by natural selection? | Ardi, Lucy, Turkana Boy |
How do bacteria provide evidence for evolution by natural selection? | The development of antibiotic resistance |
What are the 8 levels of classification? | Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species |
What are the 8 levels of classification? | Domain, Kingdom, Phylum, Class, Order, Family, Genus and Species |
Define Species? | Animals that can breed to produce fertile offspring |