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Determine the F1 genotype and phenotype, given parental blood group and genotype, and considering possible gametes.
Biology
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6 stepslet's complete this genetics problem. The image shows two possible crosses for human blood groups. I will present the F1 genotypes and phenotypes for both scenarios.
Scenario 1: Cross between homozygous Blood Group A and heterozygous Blood Group B
Identify parental genotypes and gametes.
- Parent 1 (Blood Group A):
- Parent 2 (Blood Group B):
- Gametes from Parent 1:
- Gametes from Parent 2: ,
Construct the Punnett square.
Determine the F1 genotypes and phenotypes.
- F1 Genotypes:
- F1 Genotypic Ratio:
- F1 Phenotypes:
- Blood Group AB
- Blood Group A
- F1 Phenotypic Ratio: or
Scenario 2: Cross between heterozygous Blood Group A and heterozygous Blood Group B
- F1 Genotypes:
Identify parental genotypes and gametes.
- Parent 1 (Blood Group A):
- Parent 2 (Blood Group B):
- Gametes from Parent 1: ,
- Gametes from Parent 2: ,
Construct the Punnett square.
Determine the F1 genotypes and phenotypes.
- F1 Genotypes:
- F1 Genotypic Ratio:
- F1 Phenotypes:
- Blood Group AB
- Blood Group B
- Blood Group A
- Blood Group O
- F1 Phenotypic Ratio: or
- F1 Genotypes:
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