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- Merpeople can be found if you visit Black Lake on the grounds of Hogwarts. Tail colour in merpeople exhibits incomplete dominance. Red tails and white tails are both homozygous traits.
- Indicate the genotypes for white tails and red tails. (2 marks)
- What would a mermaid’s tail look like if she was heterozygous for red and white alleles? (1 mark)
- Use a Punnett square to illustrate the cross between a merman with a white tail and a mermaid that is heterozygous for tail colour. Indicate the phenotypic ratio for their offspring. (3 marks)
A plant that produces white flowers is crossed with a plant that produces purple flowers.
Briefly explain what Incomplete dominance and Codominance conditions are. (1)
Describe the phenotype of the heterozygous offspring if the inheritance patterns follow an (2)
Incomplete dominance.Codominance.
- Define the Glomerular filtration rate (GFR) and state what are normal values
- What are the important factors that determine GFR?
- Define alkalosis, pH and carbon dioxide and bicarbonate values
- Use the Davenport diagram to explain alkalotic disorders and give examples of the primary disorders- metabolic and respiratory
Describe the origin and structure of sympathetic and parasympathetic nerves and state three functions of each nerve. (10%- 5 for sympathetic and 5 for parasympathetic). ( short answer please)
Why it's so difficult to localize sound with only one ear? How does having two ears help to localize sound?
What will happen if the bolus will slipped into your Larynx?
Td vaccine is the best way to prevent a tetanus infection. This is:
(a)Morphology
(b)histology
(c)anatomy
(d)physiology
State any six different mechanisms how some species decrease the chances of their
mate mating with another individual.
Discuss what happens when an individual with 17 chromosomes mates with an individual of the same species with 16 chromosomes.
Make use of a neat, annotated schematic representation to discuss the structure and
function of desmosomes.
