3 Reproduction and inheritance

Practice questions on Reproduction and inheritance

• In rabbits, fur colour is controlled by a single gene. The allele for brown fur (B) is dom… (4 marks, Describe and Explain)
• In cats, coat colour is controlled by a single gene. The allele for black coat (B) is domi… (4 marks, Explain)
• A pea plant has the genotype Tt, where T (tall) is dominant over t (dwarf). Describe what … (4 marks, Describe)
• Describe the role of testosterone in the male reproductive system and explain how it diffe… (4 marks, Describe)
• Describe the roles of the placenta and amniotic fluid in supporting the development of an … (4 marks, Describe)
• Describe the differences between sexual reproduction and asexual reproduction in terms of … (4 marks, Describe)
• Explain why pollination alone does not result in the production of a new plant. (4 marks, Explain)
• Describe the roles of oestrogen and progesterone in the menstrual cycle. (4 marks, Describe)
• Explain what is meant by the terms homozygous and heterozygous, and describe how a homozyg… (4 marks, Explain)
• In guinea pigs, coat length is controlled by a single gene. The allele for short coat (S) … (4 marks, Explain)