WJEC GCSE Science Double Award Cells, genetics and evolution (Unit 4) overview quiz quiz
14questions. Pick an answer and you'll see why right away.
How many cells does mitosis produce, and are they identical?
What is special about the cells produced by meiosis?
What is a stem cell?
What is a gene?
What is the difference between genotype and phenotype?
A cross of Rr x Rr is made, where R (red) is dominant to r (white). What is the phenotype ratio?
Which is an example of environmental variation?
What is the random change to DNA that creates new variation called?
In natural selection, which individuals are most likely to pass on their alleles?
How do bacteria become resistant to an antibiotic?
What is the smallest group used in classification?
What is biodiversity?
How is a key used to identify an organism?
Which human activity reduces biodiversity?