Dominance, Assortment & Genotype-Phenotype — NEET Biology
📚 Practice ConceptNot all characters show true dominance. Some characters show incomplete, and some show co-dominance. When Mendel studied the inheritance of two characters together, it was found that the factors independently assort and combine in all permutations and combinations (Law of Independent Assortment). Different combinations of gametes are theoretically represented in a square tabular form known as 'Punnett Square'. The factors (now known as gene) on chromosomes regulating the characters are called the genotype and the physical expression of the characters is called phenotype.
Match the Columns- Column I A. Dihybrid F₂ deviates from 9:3:3:1 B. Parental combinations exceed recombinants C. Genes on X chromosome D. Explanation using physical association E. Independent assortment requires genes on different chromosomes Column II (i) Linkage reduces independent assortment (ii) X-linkage studied by Morgan (iii) Deviation from Mendel’s expectation (iv) Genes physically associated on same chromosome (v) Free assortment when on different chromosomes
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