Investigating Diversity (AQA A-Level Biology): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
Why is comparing observable characteristics problematic for studying genetic diversity?
Why is comparing observable characteristics problematic for studying genetic diversity?
Environmental factors affect traits
How are bases identified in DNA sequencing?
How are bases identified in DNA sequencing?
Each base tagged with fluorescent dye
What do more mutations between DNA sequences indicate?
What do more mutations between DNA sequences indicate?
More distantly related species
Why is comparing mRNA particularly useful?
Why is comparing mRNA particularly useful?
Shows actively expressed genes
If two species differ by only 2 amino acids in a protein, what does this indicate?
If two species differ by only 2 amino acids in a protein, what does this indicate?
They are closely related
In immunological comparison, what happens when serum albumin from species A enters species B?
In immunological comparison, what happens when serum albumin from species A enters species B?
Species B produces specific antibodies
What does more precipitate formation in immunological tests indicate?
What does more precipitate formation in immunological tests indicate?
Greater protein similarity
Which primate are humans most closely related to according to immunological studies?
Which primate are humans most closely related to according to immunological studies?
Chimpanzees
Why use multiple methods to establish evolutionary relationships?
Why use multiple methods to establish evolutionary relationships?
Provides stronger evidence than one
Why is DNA sequencing more reliable than comparing observable characteristics?
Why is DNA sequencing more reliable than comparing observable characteristics?
Millions of base pairs provide detail