Inheritance

?
What is discontinuous variation?
Variation that splits individuals into distinct groups and can be represented in a bar graph.
1 of 13
What is continuous variation?
Variation that contains no distinct groups and can be measured. It is represented in a line graph and characteristics will vary from one extreme to another.
2 of 13
Give three examples of continuous variation?
1 - Hair colour 2 - Height 3 - Skin colour
3 of 13
Give three examples of discontinuous variation?
1 - Blood groups 2 - Fingerprint types 3 - Tongue rolling ability
4 of 13
What is a species?
A group of interbreeding organisms that produce fertile offspring.
5 of 13
What is an allele?
two different forms of the same gene.
6 of 13
What is a genotype?
The genes an organism has for a particular characteristic.
7 of 13
What is the phenotype of an organism?
The physical appearance of an organism.
8 of 13
What is true breeding?
When two homozygous organisms interbreed to produce fertile offspring.
9 of 13
What is a mutation?
A change in an organism genetic information (chromosomes).
10 of 13
What is a mutagenic?
An agent that increases the chance of mutation.
11 of 13
Give three examples of mutagenics?
1 - UV light 2 - X-rays 3 - Certain chemicals
12 of 13
What is amniocentesis?
AProcess used to examine the chromosomes of an unborn baby to check for abnormalities.
13 of 13

Other cards in this set

Card 2

Front

What is continuous variation?

Back

Variation that contains no distinct groups and can be measured. It is represented in a line graph and characteristics will vary from one extreme to another.

Card 3

Front

Give three examples of continuous variation?

Back

Preview of the front of card 3

Card 4

Front

Give three examples of discontinuous variation?

Back

Preview of the front of card 4

Card 5

Front

What is a species?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »