A fossil of an extinct dinosaur is found and the anatomy of the fossil shows similarities to that of a bird. What could this mean?

The extinct dinosaur and modern bird share a common ancestor

This is purely by chance and isn't significant

All dinosaurs evolved into birds and that's why there aren't any dinosaurs alive today

Dinosaurs choose to fly, and evolved into birds to escape predation and capture food

Two organisms that are closely related would have

completely different DNA sequence

Why is DNA important?

it serves as the blueprint for traits of all living things

it is very small and very complicated

because we eat it every day for energy

Which 2 molecules form the sides (backbone) of the DNA ladder?

deoxyribose sugar and phosphate

deoxyribose sugar and a hydrogen bond

deoxyribose sugar and the nucleus

What are the three components of a nucleotide?

sugar, phosphate, nitrogen base

What is the significance of the sequence (order) of the Nitrogen Bases in DNA?

The order of the Nitrogen Bases determines the traits that an organism will possess (have).

The order of the Nitrogen Bases determines the number of chromosomes present in an organism.

The order of the Nitrogen Bases determines the gender of an organism.

The order of the Nitrogen Bases determines whether an organism is abiotic biotic.

Assume that you have straight hair and your sibling has curly hair. What accounts for this difference?

The your sequence of nitrogen bases is different than your sibling.

You have DNA and your sibling does not.

Your sibling has a genetic mutation.

predict genotypes and phenotypes in offspring

tell you exactly what your offspring will look like

increase the chance you pass on recessive traits

have no purpose but for Taylor to give us extra assignments

How do two purple flowers produce white flower offspring?

Both flowers are heterozygous and can pass on the white allele

They cant have white flowered offspring

They are both homozygous Dominant

They do not have the recessive allele in their genotype

A bundle (like a hot dog bun) that the DNA is packed into

Which sentence is FALSE?

All organisms have 23 pairs of DNA.

DNA is made out of 4 chemicals: adenine, cytosine, thymine, guanine

the physical expression of a set of genes for a particular trait

a gene pair where each allele in the pair is the same version

a gene pair where each allele in the pair is a different version

What is a chromosome?

long strand of DNA condensed (or supercoiled) into a stick-like structure

a gene pair where each allele in the pair is the same version

a gene pair where each allele in the pair is a different version

Since human cells carry 2 copies of each chromosome (one from each parent), they have 2 versions of each gene

a gene pair where each allele in the pair is the same version

a gene pair where each allele in the pair is a different version

a gene pair where each allele in the pair is the same version

organelle that contains a eukaryotic cell's genetic material

a gene pair where each allele in the pair is the different version

DNA and Evolution Quiz

51 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following would represent a sudden environmental change?

Wildfire

Global Warming

Competition for food

Desert encroachment

Tags

NGSS.MS-ESS3-2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Survival of the Fittest and Evolution were proposed by what scientist?

Charles Darwin

Albert Einstein

Steven Hawking

Isaac Newton

Tags

NGSS.HS-LS4-4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where the better adapted organisms survive to pass traits along to offspring.

Evolution

Natural Selection

Extinction

Artifical Selection

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the advantage of having different shaped beaks?

To look different from other species.

To be able to eat the food readily available in the environment.

To protect itself against predators.

To protect itself against prey.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why are advantageous traits more likely to be passed onto offspring?

Because they are more likely to survive and reproduce.

Because they come from dominant alleles.

Because they come from recessive alleles.

Because the trait is an acquired phenotype.

Tags

NGSS.HS-LS4-2

NGSS.HS-LS4-4

NGSS.HS-LS4-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mutations are a change in what?

DNA

tRNA

genotype

phenotype

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Where humans have bred organisms together based on traits we like.

Evolution

Natural Selection

Extinction

Artificial Selection

Tags

NGSS.MS-LS4-5

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DNA and Evolution

Which of the following would represent a sudden environmental change?

Survival of the Fittest and Evolution were proposed by what scientist?

Where the better adapted organisms survive to pass traits along to offspring.

What is the advantage of having different shaped beaks?

Why are advantageous traits more likely to be passed onto offspring?

Mutations are a change in what?

Where humans have bred organisms together based on traits we like.

Genetic differences between organisms of the same species

Structures with the same parts have different functions; suggests that organisms share a common ancestry

Study of embryos of various organisms to show a common ancestor because of similarities in development

Access all questions and much more by creating a free account

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