ICSE-X-Biology
02 Genetic: Some Basic Fundamentals
- #3Make a Punnett square for finding out the proportion of different genotypes in the progeny of a genetic cross between. (a) A pure tall (TT) pea plant with a pure dwarf (tt) pea plant. (b) red flower variety of pea (RR) with white flower variety of pea (rr) (a) A pure tall (TT) pea plant with a pure dwarf (tt) pea plant. (b) red flower variety of pea (RR) with white flower variety of pea (rr)Ans : (a)
Genotype - 1(Homozygous tall) :2 (Heterozygous tall):1 (Homozygous dwarf)
Phenotype - 3 (Tall) :1(Dwarf) (b)
Genotype - 1(Homozygous red):2 (Heterozygous red):1 (Homozygous white) Phenotype-3 (Red):1(White) (a)
Genotype - 1(Homozygous tall) :2 (Heterozygous tall):1 (Homozygous dwarf)
Phenotype - 3 (Tall) :1(Dwarf) (b)
Genotype - 1(Homozygous red):2 (Heterozygous red):1 (Homozygous white) Phenotype-3 (Red):1(White)
- #3-aA pure tall (TT) pea plant with a pure dwarf (tt) pea plant.Ans :
Genotype - 1(Homozygous tall) :2 (Heterozygous tall):1 (Homozygous dwarf)
Phenotype - 3 (Tall) :1(Dwarf)
- #3-bred flower variety of pea (RR) with white flower variety of pea (rr)Ans :
Genotype - 1(Homozygous red):2 (Heterozygous red):1 (Homozygous white) Phenotype-3 (Red):1(White)