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Questions in biology

[Terjawab] Which of the following best defines gene flow? A. the sum of all genetic traits in a population's individuals at a given time B. any movement of genes from one population to another C. any movement of organisms from one environment to another D. the random change in the frequency of an allele in a population

[Terjawab] If someone asked you whether personality runs in our genes, how might you respond based on what you learned in this activity?

[Terjawab] Which of the following best describes an advantage of genetic engineering? A. can reduce long-term health problems among consumers of GMO B. Increases regulation of sale and consumption of healthy food C. Reduces harmful impact on natural ecosystem in the future D. Can produce crops having high level of nutrition

[Terjawab] At birth, the sense of a) hearing is poorly developed when compared to the other sensory systems. b) smell c) touch d) vision

[Terjawab] Severe anemia may trigger an adaptive conversion of A. red marrow to yellow marrow. B. spongy bone to compact bone. C. bone marrow to spongy bone. D. yellow marrow to red marrow. E. compact bone to spongy bone

[Terjawab] The part of the plant that functions in elevating the leaves, fruits, and flowers is called the A. pistil B. hull C. root D. stem

[Terjawab] Genetic drift in a population affects the gene pool in which of the following ways? A. decrease in genetic variation B. increase in genetic variation C. increased in mutations D. decreased in gene flow

[Terjawab] Why is it important for neurons to fire repeatedly for effective learning? A. It ensures the neurons will permanently remain in an active state. B. It allows the brain to ignore irrelevant information. C. Repeated firing strengthens the neural network, making learning more durable. D. It prevents neurons from forming connections with each other.

[Terjawab] Which of the following is a disadvantage of cloning? A. Increases genetic diversity B. Creates animals that may be weak C. Does not create genetically identical animals D. Cannot repopulate the world with endangered organisms

[Terjawab] How do environmental factors influence genetic traits? A. Environmental factors determine all genetic traits. B. Environmental factors can determine if a genetic trait becomes a health issue. C. Environmental factors are determined by genetic traits. D. Environmental factors have no influence on genetic traits.