10.4: Investigating Diversity

Question 1

Limitations of comparison of observable characteristics in species
2

Answer 1

• one characteristic often coded for by multiple different genes
• characteristic may be result of the environment not alleles

Question 2

Replace of ‘comparison of observable characteristics’ with…

Answer 2

Observing DNA sequences.

Each nucleotide base has a colour. Compare species. Analyse on a computer.

Question 3

As well as ‘Observing DNA sequences’ compare??

2

Answer 3

Base sequence of mRNA

Amino acid sequences in proteins