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4.Principles of Inheritance and Variation
easy
Give differences : Homozygous and Heterozygous
Option A
Option B
Option C
Option D
Solution
Hence, in plants the pair of alleles for height would be $TT$ , $Tt$ or $tt$ . Mendel also proposed that in a true breeding, tall or dwarf pea variety the allelic pair of genes for height are identical or homozygous, $TT$ and $tt$, respectively.
In other words the hybrids have $Tt$. Since these hybrids contain alleles which express contrasting traits, the plants are heterozygous.
Standard 12
Biology