Kuinka laskea Mendelian Genetics
Mikä on Mendelian Genetics?
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.
Vaiheittainen opas
- 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
Ratkaistut esimerkit
Syöte
Tt × Tt
Tulos
25% TT, 50% Tt, 25% tt → 75% tall, 25% short
Classic 3:1 ratio
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