16 questions in Inheritance and genetics at Form 5 · BGCSE
Most triedMost missedNewest- How many chromosomes are in a normal human body cell?
- A cross between two heterozygous tall plants (Tt × Tt) gives what ratio of tall to short?
- Which type of cell division produces gametes?
- Sex in humans is decided by…
- Blood groups A, B, AB and O are an example of…
- In cattle, the allele for no horns (polled, H) is dominant to the allele for horns (h). A farmer crosses a heterozygous polled bull with a horned cow.
- Distinguish between prophase in mitosis and prophase I in meiosis.
- Distinguish between continuous and discontinuous variation and give one example of each, other than blood groups.
- A man of blood group B is married to a woman. They have three sons and a daughter. The sons are of blood groups A, B and AB. The daughter is married …
- The son of blood group A (IᴬIᴼ) marries a woman of blood group AB. Use a genetic diagram to determine the possible blood groups of their children.
- Fig. 5.1 shows a cob with yellow and white seeds, obtained from a maize plant. The maize cob has 13 yellow seeds and 39 white seeds.
- Lactose intolerance is a condition caused by a recessive allele represented by letter q.
- A woman of blood group B and a man of blood group A have a biological child. The man and the woman are both heterozygous.
- Fig. 6.1 shows three possible coat colours of domestic rabbits. Coat colour is controlled by three alleles, though only two can be present in a genot…
- Fig. 5.1 shows different stages of meiosis in an animal cell. Stage A shows the chromosomes (two long, two short); in stage B the chromosomes are in …
- Figure 3.1 shows rabbits A and B which were used in a breeding experiment. Rabbit A (black patched) was fed a balanced diet while rabbit B (wholly wh…