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Mendelian genetics describes inheritance of traits controlled by single genes with dominant and recessive alleles. Mendel's laws of segregation and independent assortment predict offspring ratios.
Водич чекор-по-чекор
- 1Monohybrid cross Aa×Aa: 1:2:1 genotype, 3:1 phenotype ratio
- 2Dominant allele masks recessive
- 3Dihybrid cross AaBb×AaBb: 9:3:3:1 phenotype ratio
Worked Examples
Влез
Tt × Tt
Резултат
25% TT, 50% Tt, 25% tt → 75% tall, 25% short
Classic 3:1 ratio
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