This Punnett square shows the crossing of two heterozygous plants with red flowers. R = dominant red, r = recessive white
The Punnett square is a chart used to predict an results of a genetic cross It is used to determine the probability of the occurrence of each genotype among offspring. The Punnett square shows every possible combination for a specific cross of maternal and paternal genotypes.
A. Dominant Allele
B. Recessive Allele
C. Homozygous White
D. Homozygous Red
E. Heterozygous Red
Punnett square:
| R | r |
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R | RR | Rr |
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r | Rr | rr |