Genes inheritance and selection Flashcards
What are the adv and dis of asexual reproduction
+ Good traits inherited
+ Only one parent needed, faster
- Adverse a/biotic factor changes may destroy the species
What are the adv and dis of sexual reproduction
+ Adaptations
- 2 parents, slower
Haploid vs diploid
gamete one of each chromo vs body cell pair of each
23 -46 human
What is a genome
An organisms entire genetic material
Allele
different forms of a gene
The history of genetics
1866 Mendel peas, inherited characteristics
1869 nuclien discovered
1944 generational gene transfer
1950 base pairs discovered
1953 double helix
+ cloned dolly the sheep 96
Evidence for evolution
Fossil index
Extinction
Molecular comparison
Rapid changes in species
7 taxonomic levels
Kingdom phylum class order family genus species
meosis
pro meta ana telo cytokinesis inter x2
