1. Down syndrome –21st chromosome
2. Sickel cell anaemia –X-chromosome
3. Haemophilia –Y-chromosome
4. Parkinson disease –X and Y-chromosome
Down syndrome –21st chromosome
1. small isolated population
2. large isolated population
3. fast reproductive population
4. slow reproductive population
small isolated population
1. O2
2. water
3. light
4. temperature
water
1. France
2. Java
3. Africa
4. China
Africa
1. m-RNA
2. r-RNA
3. t-RNA
4. DNA
r-RNA
1. Sexual selection
2. Random mating
3. Mutation
4. Gene flow
Random mating
1. extrachromosomal material
2. main DNA
3. non-functional DNA
4. repetetive gene
extrachromosomal material
1. it expresses it's effect only in homozygous stage
2. it expresses only in heterozygous condition
3. it expresses in both homozygous and heterozygous conditions
4. it is never expressed in any condition
it expresses in both homozygous and heterozygous conditions
1. haemophilia
2. thalassemia
3. sickle cell anaemia
4. colour blindness
sickle cell anaemia
1. degeneracy of genetic code
2. overlapping of gene
3. wobbling of codon
4. universality of codon
degeneracy of genetic code