Creates Okazaki fragments

Removes RNA primers during DNA replication and replaces them with DNA nucleotides

Fixes atmospheric CO₂ into the 5C sugar Ribulose bisphosphate at the beginning of the Calvin cycle

Extends the ends of chromosomes by adding repetitive non-coding DNA sequences

Assists to unwind the tightly twisted region of the DNA double helix ahead of the replication fork

there is random mating within the population

the population size is small

sexual selection occurs within the population

genetic variation within the population is high

individuals within a population are healthy

Sexual reproduction

Meiosis

Fertilisation

Asexual reproduction

Mitosis

have differently structured ribosomes

use different genetic codes

express different genes

contain different genes

contain different mutations in their genes

an alternative version of a gene

a variety of pea plant used by Mendel

a dominant version of a gene

a chromosome

the position of a gene on a chromosome

karyotype

DNA marker

genotype

zygote

chromatin stain

Helicase - separates DNA strands during gene expression

Aminoacyl-tRNA synthetase --- binds a specific amino acid to a tRNA

Taq polymerase - adds repeated sequences of DNA to the ends of eukaryotic chromosomes

Telomerase - relieves the stress on a DNA strand prior to DNA replication

5’–TTTACGCGAGAGTT–3’

5’–AGCCTTAAGTCCCGATTCATCGTG–3'

5’–TACGATTGGGTTACGCC–3’

5’–AGCCTTGGGTTACGCCACATTCC–3’

Missense mutation

Deletion mutation

Translocation mutation

Frameshift mutation

Inversion mutation

Helicase

Single Strand Binding protein

Topoisomerase

DNA Ligase

Primase