Short Answer TypeUsing a Punnett Square, work out the distribution of phenotypic features in the first filial generation after a cross between a homozygous female and a heterozygous male for a single locus.
Long Answer Type1. Principle of paired factors.
2. Law of dominance. In a heterozygous individual only one allele is able to express its effect called dominant while the other remains hidden and is termed recessive.
3. Principle of purity of gametes. A gamete receives only one of the two
4. Principle of segregation. The two factors of a character keep their identity in an individual and do not blend. They segregate (separate) during gamete formation and are passed on to the offspring randomly after fertilization.
Short Answer TypeLong Answer TypeWhen a cross is made between tall plant with yellow seeds (TtYy) and tall plant with green seeds (Ttyy), what proportions of phenotype in the offspring could be expected to be
(a) tall and green
(b) dwarf and green ?
Short Answer Type
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