B1 Keywords

?
Characteristics
Features that distinguish an individual or orgamism
1 of 7
Evolution
The gradual change in characteristics within a species
2 of 7
Speciation
Evolution of a new species due to geographical isolation/change in habitat. They can no longer interbreed with the original species.
3 of 7
Heterozygous
Two different alleles of the same gene eg. Hh
4 of 7
Homozygous recessive/dominant
Having either two recessive or two dominant alleles eg. hh or HH
5 of 7
Sickle cell disease
A genetic blood disorder caused by the presence of abnormal forms of haemoglobin. Red blood cells become a cresent shape.
6 of 7
Cystic fibrosis
A recessive genetic disorder affecting the exocrine glands. It causes thick, sticky mucus to build up in the lungs, digestive system and other body parts.
7 of 7

Other cards in this set

Card 2

Front

The gradual change in characteristics within a species

Back

Evolution

Card 3

Front

Evolution of a new species due to geographical isolation/change in habitat. They can no longer interbreed with the original species.

Back

Preview of the back of card 3

Card 4

Front

Two different alleles of the same gene eg. Hh

Back

Preview of the back of card 4

Card 5

Front

Having either two recessive or two dominant alleles eg. hh or HH

Back

Preview of the back of card 5
View more cards

Comments

No comments have yet been made

Similar Biology resources:

See all Biology resources »