Inheritance and
Traits
Variation
DNA
Natural Selection
100

A distinguishing characteristic of an organism.

What is a trait?

100

A trait that is beneficial to a species.

What is an adaptation?

100

What are the two ways variation can occur?

Environmental and inherited 

100

The section of DNA that carries genetic information for a trait.

What is a gene?

100
This process is when beneficial variations help some organisms reproduce more.

What are natural selection?

200

The number of chromosomes you receive from your mother 

What is 23?
200
An example of a trait that can be affected by both genetics and the environment.

What is (anything acceptable, e.g., weight, height...)

200

Can you get variation between members of the same species?

Yes

200
Genetic material is found in a chromosome that is in this part of the cell.

What is the nucleus?

200

This adaptation helps an organism avoid predators by blending in with their environment.

What is camouflage?

300

________ are a structure containing a folded up molecule of DNA.

What is a chromosome?

300

Which of the following is NOT an inherited trait:

height, hair color, or writing skill


What is writing skill?

300
The sperm cell

What is the male gamete 

300

The long name for DNA

Deoxyribonucleic acid 

300

A gradual change in the characteristics of a population of organisms

What is evolution?

400

The chromosome combination that determines a male 

What is XY?

400

The passing of traits from generation to generation is called _____________.

What is inheritance?

400

A sperm and egg fusing 

What is a fertilisation 

400

The shape used to describe DNA

What is a Double helix 

400

An adaptation is a trait that helps a species survive in its ______________.

What is environment?

500

A fertilised egg cell becomes....

What is an embryo?

500

A scar is a result of ____ variation

What is environmental?

500

This occurs when humans select and breed organisms that have desired traits.

What is selective breeding or artificial selection?

500
The number of chromosomes a zygote has 

What is 46

500

A bird that has the ability to survive in its environment because of the shape and/or strength of its beak is an example of this type of adaptation.

What is structural?

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