Gene, Chromosomes and DNA
- Created by: Alicexx__
- Created on: 11-05-16 17:01
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- Genes, Chromosomes and DNA
- Alleles
- Come in pairs
- Either dominant or recessive
- Homozogous= same alleles
- eg **
- Hetreozygous- different alleles
- eg **
- Most characteristics are determined by alleles
- Chromosones
- Long strands of DNA molecules
- Come in pairs
- 23 chromosomes per sex cells
- 23rd chromosome determines your sex
- 23 pairs of chromosomes in each cells
- Phenotype= physicals characteristics eg our looks
- Genotype= the genes you inherit
- Genotype= the genes you inherit
- DNA
- Gene= a sections of DNA
- Long strands of DNA molecules
- Deoxyribonucleic acid
- Double helix joined by pairs
- Adenine + Thymine
- Cytosine + Guamine
- Alleles
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