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Punnett_square:
Mendalian inheritance Autosomal recessive
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NB:
Autosomal : affect both male and females.
Sex linked: gender biased e.g.
1- Hemophilia.
2-Glucose-6- dehydrogenase deficiency ( G6PD).
3-Duchenne muscular dystrophy.
Different alleles(Rr) =
heterozygous.
Same alleles ( rr) =
homozygous.
