What is one advantage of variation among species?

Stronger genes are inherited which reduces the risk of diseases wiping out a certain species.

Everybody is unique and can feel individual.

It creates a sense of different cultures across the world.

What is the definition of a genotype?

An individuals alleles for a particular characteristic

An individuals physical appearance

The differences between members of the same species

An example of how several genes influence one trait is

eye color and fur color in a white tiger

whether a pea seed is smooth or wrinkled

whether a pea flower is purple or white

How are scientists able to compare DNA from bones or teeth to that found in hairs on a hairbrush?

DNA is the same in every cell of the body and does not change over time.

They cannot and this is making body identification very difficult.

Each sample provides an exact karyotype for genetic identification.

The DNA must all come from the hair in order to be accurate

Mutations are important because they bring about

genetic variation needed for a population to evolve

death of the organism in which they develop

benefits for the individual, not for the population

Hardey-Weinberg equilibrium within a population

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.

The environment around Manchester, England, changed during the Industrial Revolution. How did this change affect peppered moths living in the area?

Natural selection favored moths with dark wings because predators could not see them on the soot-colored trees.

Natural selection favored moths with white wings that were easy for predators to see.

Natural selection favored moths with white wings because predators could not see them on the soot-colored trees.

Natural selection caused moths with white wings to become extinct.

Why do embryologist study embryos?

to learn what parents are vestigial

Mutations can benefit humans because they can:

Make an organism more suited to live in its environment.

Make organisms live shorter lives

Cause organisms to grow extra limbs.

What causes mutations?

Mistakes in replication or environmental substances

In order for offspring to get a genetic mutation, the mutation must occur in what type of cell?

Cells like eggs or sperm cells that are undergoing reproduction.

Cells with no cell wall or cell membrane.

Inheritance and Variation

Authored by Jeanette Rodriguez

Science

9th Grade

NGSS covered

Used 177+ times

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50 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is an example of inherited variation only?

Eye colour

Height

Weight

Skin colour

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How many pairs of chromosomes do humans have?

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Differences between members of the same species are called

predators

traits

selections

variations

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The theory of ____ states that species evolve slowly over a relatively slow time.

behavioral

evolution

adaptation

speciation

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of Inherited variation?

Eye colour

Blood type

Skin colour

All of the above

Tags

NGSS.HS-LS3-2

NGSS.HS-LS3-1

NGSS.HS-LS4-2

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is an example of continuous variation?

hair colour

height

eye colour

Gender

Tags

NGSS.MS-LS4-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Continuous variation is usually influenced by what?

the environment only

Inheritance only

Inheritance and the environment

none of the above

Tags

NGSS.HS-LS3-2

NGSS.HS-LS2-2

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Inheritance and Variation

Which of these is an example of inherited variation only?

How many pairs of chromosomes do humans have?

Differences between members of the same species are called

The theory of ____ states that species evolve slowly over a relatively slow time.

Which of the following is an example of Inherited variation?

Which of the following is an example of continuous variation?

Continuous variation is usually influenced by what?

What is one advantage of variation among species?

What term is used to describe a genotype with two of the same alleles?

What term is used to describe a genotype with two different alleles?

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