Question

The diagram shows a Punnett square made to predict the earlobe shape of the offspring of two parents.
The capital A stands for the trait of free-hanging earlobes, and the lowercase a stands for the trait of attached earlobes.
Write the genotype of each offspring.
What will be the phenotype of each offspring?
Is the trait of free-hanging earlobes dominant or recessive?
What is the expected ratio of free-hanging earlobes to attached earlobes in the offspring?

Answer 1

Answer:

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Answer 2

free hanging earlobe is dominant over attached earlobe