Molecular Evidence of Evolution

Using DNA to determine which organisms are related to others is called:

• Homologous Chromosomes

• Molecular Biology

• Vestigial Structures

• Pharyngeal pouches

Tags

NGSS.HS-LS4-1

Organisms that have the most DNA sequences in common

• have the same number of legs

• Are the least related

• are randomly distributed

• Are the most related

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

Similar DNA sequence between different organisms indicating a common ancestry or evolutionary origin.

• morphology

• Embryology

• Molecular Homology

• Adaptation

Tags

NGSS.HS-LS4-1

Which of the following is a molecular evidence of evolution?

• Fossil records

• Homologous structures

• DNA sequencing

• Geographical distribution

Tags

NGSS.MS-LS3-1

NGSS.MS-LS4-4

What does the similarity in DNA sequences among different species suggest?

• They have similar diets

• They share a common ancestor

• They live in the same habitat

• They have the same lifespan

Tags

NGSS.HS-LS4-1

Which molecule is most commonly used to study evolutionary relationships?

• Glucose

• ATP

• DNA

• Cholesterol

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-2

NGSS.HS-LS4-4

The presence of similar proteins in different organisms indicates what?

• Convergent evolution

• Divergent evolution

• Common ancestry

• Random mutation

Tags

NGSS.HS-LS4-1

What is the role of molecular clocks in evolution?

• To measure the age of fossils

• To estimate the time of evolutionary divergence

• To track migration patterns

• To determine the speed of evolution

Which of the following best describes a molecular clock?

• A device that measures time

• A method to estimate mutation rates

• A technique to date fossils

• A tool to analyze protein structures

How can mitochondrial DNA be used in evolutionary studies?

• To trace maternal lineage

• To determine physical traits

• To analyze dietary habits

• To study behavioral patterns

Tags

NGSS.HS-LS4-1