Calculation of Phenotypic and Genotypic Ratios
Trending Questions
A dihybrid tall plant with yellow flowers (TtYy) was crossed with a dwarf plant bearing white flowers (ttyy). What percentage of progeny is expected to be homozygous tall bearing yellow flowers?
0%
25%
50%
75%
- 132
- 116
- 14
- 18
A tall violet flowered plant (TTVV) is crossed with a dwarf white flowered plant (ttvv). When the F1 plants are self-pollinated, a total of 1600 F2 plants are produced. How many plants of F2 generation are similar to the original parents in terms of both genotype and phenotype?
900
300
100
200
In a breeding experiment, a pea plant producing yellow seeds is crossed with a green-seeded pea plant. All the F1 plants are yellow-seeded. If these F1 plants are crossed with the green-seeded parent plant, the progeny consists of
All yellow seeded plants
Yellow seeded and green seeded plants in 3:1 ratio
All green seeded plants
Yellow seeded and green seeded plants in 1:1 ratio