The following diagram models a population of glowworms in an isolated cave - HSC - SSCE Biology - Question 18 - 2020 - Paper 1
Question 18
The following diagram models a population of glowworms in an isolated cave. The letters B and b represent the alleles for a gene in an individual.
Which row of the ... show full transcript
Worked Solution & Example Answer:The following diagram models a population of glowworms in an isolated cave - HSC - SSCE Biology - Question 18 - 2020 - Paper 1
Step 1
Process: Gene flow
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Answer
Gene flow occurs when individuals migrate into or out of a population, introducing new alleles and changing allele frequencies. This is directly linked to the introduction of new genetic material from other populations.
Step 2
Reason: Introduction of more b alleles due to new members moving into the population
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Answer
The specific reason for the change in the gene pool is due to the introduction of new members carrying the b allele, which can lead to an increase in its frequency within the population.
