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Flashcards in natural selection Deck (17):
1

DNA

Deoxyribonucleic acid

2

Nucleotide

Nucleotides are the building blocks of nucleic acids

3

chargaffs rules

chargaff's rules state that DNA from any cell of all organisms should have a 1:1 ratio

4

watson and crick

The discovery in 1953 of the double helix, the twisted-ladder structure of deoxyribonucleic acid

5

rosiland franklin

rosalind Elsie Franklin was an English chemist and X-ray crystallographer who made contributions to the understanding of the molecular structures of DNA, RNA, viruses, coal, and graphite

6

mutations

the permanent alteration of the nucleotide sequence of the genome of an organism, virus, or extrachromosomal DNA or other genetic elements

7

adaptation

a helpful mutation

8

species

a class of animal or bacteria

9

evolution

a change in heritable characteristics

10

fossils

preserved remains

11

fossil record

number of fossils recoverd

12

charles darwin

the person who discovered evolution

13

selective breeding

imbreeding

14

trait

a behavior

15

natural selection

Natural selection is the differential survival and reproduction of individuals due to differences in phenotype

16

generation time

the time between two consecutive generations

17

specitation

Speciation is the evolutionary process by which biological populations evolve to become distinct species