Male Gametes Female Gametes
The genotype of the parents will include aa x Aa while the alleles appearing in the gametes for the parent will be a a and A a for female and female gametes respectively. The Aa and aa genotypes have a smooth and wrinkled phenotype of offspring respectively with 50% probability each.
In the parental cross of the red-eyed mouse (female) and white-eyed mouse (male) had a genotype of E and e respectively. After the parental cross, the genotype changed to Ee with red-eyed phenotype and 50%. Also, there is another phenotype of offspring with 25% probability each for Red-eyed ( EE ) and white eye ( ee ).
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Another parental cross involved long-eared mouse and short-eared mouse. According to the Punnett Square, parental cross offspring genotypes were Ee and ee for long and short phenotype with 50% probability each. In the parental cross of homozygous ebony fruit fly (e) and heterozygous tan fruit fly (E). The results were ee and Ee genotype of offspring for ebony and tan respectively with 50% probability each.
In the Parental cross of black guinea pig (female) x white guinea pig (male) they were symbolized as G B for black & G w for white. The offspring produced were some black individuals, some spotted individuals, and some white individuals. The genotype inheritance was G w G w and G B G B for white and black phenotype offspring with 25% each. The spotted offspring (G B G w ) had 50% probability.
In the case of human being parental cross, the blood of the offspring can be used in the Punnet Square to know the male genes. However, Punnet Square is not enough as the evidence of proving the father.
