Natural selection Flashcards
1
Q
Homozygous
A
Both Alleles for the characteristics are the same RR or rr.
2
Q
Heterozygous
A
Alleles are dominant and recessive Rr.
3
Q
Heterozygous cross
A
Rr x Rr.
4
Q
Natural selection
A
process where the organisms best adapt to an environment e.g. Finches Galapagos islands.
5
Q
Variation
A
Organism survives due to genetic features - eg Tortoises Galapagos Islands.
6
Q
Charles Darwin Theory of Natural selection
A
Overproduction
Variation
Competition
Selection
6
Q
Arrtificial Selection
A
Choosing to breed particular organisms who have particular features.