B5 Genes, inheritance and selection

Practice questions on Genes, inheritance and selection

• Explain how natural selection could lead to a change in the colour of a population of pebb… (4 marks, Explain)
• Explain how natural selection leads to a population of bacteria becoming resistant to an a… (4 marks, Explain)
• Explain why two pea plants with the same phenotype for seed texture can have different gen… (4 marks, Explain)
• A farmer breeds guinea pigs. Some guinea pigs have smooth coat and some have rough coat. T… (4 marks, Explain)
• A plant can produce either red flowers or white flowers. Red flower colour is controlled b… (4 marks, Explain)
• A population of giraffes lives in a grassland habitat where food at ground level becomes i… (4 marks, Explain)
• A cat breeder notices that some cats in a litter have short fur and some have long fur. Sh… (4 marks, Explain)
• A dog breeder is selecting dogs with different coat colours for a breeding programme. In L… (4 marks, Explain)
• Explain how a population of peppered moths could change over time if the trees in their ha… (4 marks, Explain)
• A population of Arctic foxes lives in a snowy environment. Some foxes have thicker fur tha… (4 marks, Explain)