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Punnett Square
Punnett Square Problem
| Questions | Terms |
|---|---|
| Cross a homozygous black fur animal with a homozygous white fur animal (B-black, b-white) | Genotype =BB Phenotype=bb |
| Cross a purebred dominant pea plant with a purebred wrinkled pea plant (R= round, r=wrinkled) | Genotype=RR Phenotype=rr |
| Cross a hybrid red fruit with a purebred red fruit (R=red, r=yellow) | Genotype=Rr Phenotype=RR |
| Cross a homozygous blue eyed animal with a heterozygous brown eyed animal (B=brown, b=blue) | Phenotype=bb probability offspring will have brown eyes=Bb |
| Cross two heterozygous tall pea plants (T=tall, t=short) | Genotype=Tall Phenotype=Short |
| Cross a hybrid curly haired parent with a purebred straight haired parent (C=curly, c=straight | Genotype=cc Probability of curly haired offspring=CC |
| r | rescessive |
| t | recessive |
| D | dominant |
| f | recessive |
| Q | dominant |
| Homozygous Dominant | |
| rr | Homozygous Recessive |
| Yy | Homozygous Dominant |
| aa | Homozygous Recessive |
| Ee | Homozygous Dominant |
| Pink flower color (F) is dominant over White (f) | Pink=F White=F |
| Brown feathers (G) are dominant over Grey (g) | Brown=g Grey=G |
| Straight hair is dominate over curly hair | HH=Sh Hh=Sh hh=ch |
| Tall pea plants are dominate over short | TT=Tall Tt=Tall tt=short |
| Green leaves are dominate over yellow leaves | GG=green Gg=green gg=yellow |