Law of Segregation & Allele Behavior — NEET Biology
🔥 Predicted for NEET 2027This law is based on the fact that the alleles do not show any blending and that both the characters are recovered as such in the F₂ generation though one of these is not seen at the F₁ stage. Though the parents contain two alleles during gamete formation, the factors or alleles of a pair segregate from each other such that a gamete receives only one of the two factors. Of course, a homozygous parent produces all gametes that are similar while a heterozygous one produces two kinds of gametes each having one allele with equal proportion.
Adjacent to a frequently-asked paragraph in the same chapter.
Match the Column Match phenomena to their precise features. Column I A. Law of Segregation B. Incomplete dominance C. Codominance (ABO) D. Test cross E. Phenotype vs Genotype Column II (i) “F₁ was pink… phenotype ratios… changed from 3:1” (ii) “Alleles… segregate… a gamete receives only one” (iii) “IA and IB… both express their own types of sugars” (iv) “Cross… dominant phenotype… with the recessive parent” (v) “TT/tt = genotype; tall/dwarf = phenotype”
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