Genetic Evidence (Grade 12 NSC Matric Life Sciences): Quizzes
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10 questions from this quiz
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Practise the questions
10 questions from this quiz
What percentage of genes do modern humans share with each other?
What percentage of genes do modern humans share with each other?
99.9%
What percentage of genes do humans share with chimpanzees?
What percentage of genes do humans share with chimpanzees?
98.8%
Which great ape shows the closest genetic relationship to humans?
Which great ape shows the closest genetic relationship to humans?
Chimpanzee
How is mitochondrial DNA inherited?
How is mitochondrial DNA inherited?
Only from mothers
Why is mitochondrial DNA useful for studying evolution?
Why is mitochondrial DNA useful for studying evolution?
Changes at a predictable rate
Approximately when did humans and chimpanzees diverge from a common ancestor?
Approximately when did humans and chimpanzees diverge from a common ancestor?
2.5-4.6 million years ago
When did humans and apes share a common ape-like ancestor?
When did humans and apes share a common ape-like ancestor?
5-6 million years ago
When did orangutans diverge from the human-African ape lineage?
When did orangutans diverge from the human-African ape lineage?
12-16 million years ago
What do the branching points (nodes) on a phylogenetic tree represent?
What do the branching points (nodes) on a phylogenetic tree represent?
Common ancestors
What is a common misconception about human evolution?
What is a common misconception about human evolution?
Humans evolved from modern chimps