6 marksExcretion and Osmoregulation
CSEC Biology · January 2020 · Paper 2 · Question 6(a)
Describe how the human skin helps the body to keep cool on a hot, sunny day.
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- 6(b)State ONE similarity and ONE difference between human beings and invertebrates in the ways they cool their bodies on hot days.[3 marks]
- 6(c)(i)Using the symbols A to represent a normal allele and a to represent the albino allele, draw a genetic diagram to illustrate how two heterozygous parents could…[6 marks]
- 6(c)(ii)Identify the genotype of the albino child.[1 mark]
- 6(c)(iii)State the probability of the albino child being produced.[1 mark]
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