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gene
a DNA sequence
coding for the production of a functional RNA
or polypeptide chain
Homozygous
Having two identical alleles for a particular gene
The DNA in a cell is in one or more physical
units called
chromosomes
In prokaryotes, there is no cap and translation can initiate internally at different sites where there is a specific sequence. This means
one mRNA may code for several proteins
polyA tail required for _ export from the nucleus, also regulates _ stability in the cytoplasm
mRNA, mRNA
Is the DNA of prokaryotic cells complexed with protein?
No
Ne is always _ than the real population size.
smaller
What is the fitness of an allele written as?
W with a line over the top of it
the study of genes, and the
inheritance of genes, at all levels from
molecules up to populations
Genetics
What are the areas which may cause problems with molecular clocks?
- Changes in generation time within a group
- Changes in population size
- Species/lineage-specific rate changes
- Changes in protein function
- Changes in the intensity of natural selection
- Saturation
Are neutral alleles subject to natural selection?
No- their evolution is driven by genetic drift
What percentage of all nuclear transmission is POL1? (45S precursor rRNA)
70
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