Homework Answers
1) genotype of the homozygous dominant plant is DDWW and genotype of the homozygous recessive plant is ddww.
DDWW * ddww
| DW | DW | DW | DW | |
| dw | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) |
| dw | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) |
| dw | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) |
| dw | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) | DdWw ( tall plant with purple flowers) |
2) a) here all the progenies are tall plants with purple flowers
so probability of getting tall plants with purple flowers= number of tall plants with purple flowers/total number=16/16=1
possible genotypes= DdWw
b) probability of producing dwarf plant with white flowers= number of the dwarf plant with white flowers/total number=0/16=0
the possible genotypes of dwarf plant with white flowers = ddww
c) probability of getting tall plants with white flowers= number of tall plants with white flowers/total number of plants=0/16
the possible genotypes of tall plants with white flowers is DDww, Ddww
d) probability of producing dwarf plant with purple flowers= number of the dwarf plant with purple flowers/total number=0/16=0
possible genotypes of dwarf plant with purple flowers are ddWW, ddWw.
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