B: blood group
Oracle Prep sorts past-paper questions by topic, so you can drill Genetics & Variation and see which topics are most likely to come up next.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
In fruit flies, the allele for an ebony coloured body is recessive to the allele for a grey coloured body. In an inve…
Which statement about dominant and recessive alleles is not correct?
The genotype for the height of an organism is written as Tt. What conclusion may be drawn?
Which structures are present in a root hair cell? [Table showing nucleus and chloroplast columns with A, B, C, D row…
What is an example of active transport?
What is the effect of a lack of nitrate ions on plant leaves?