3.19b F1xF1 Cross

• The parents is red petal cross with white petal. We will carry out and F1 cross and this involve reproduction between F1 parents and F1 parents.
• We begin by writing the phenotype is red petal cross another red petal.
• Genotype combination of allele. One would be carrying R and another one would be carrying r.
• Cell would go under process meiosis. Chromosomes number is half and allele is separate.
• Genotype F2 RR:2Rr:rr
• Phenotype F2 2 red: white   3 red: 1 white <--- prediction ratio
• Monohybrid ratio F2 3:1 3 red : 1 white