Attached earlobes are dominant over free hanging earlobes. What is the probability of the children having attached or free hanging earlobes if Mom is Heterozygous (Bb) with attached earlobes and Dad has free hanging earlobes (bb). Complete the Punnett Square and calculate the probability for the children’s possible genotypes and phenotypes.

Because there is a dominant trait at play, it could over rule and the child could have attached earlobes (Bb) or 2 of the recessive genes could possibly take over and the child will have detached ear lobes (bb).

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keshavgandhi04 keshavgandhi04 · Answer 2 · 2022-06-27T12:56:20+02:00

Because a dominant trait is involved, it may take control and cause the child to have attached earlobes (Bb), or two recessive genes may take control and cause the child to have detachable ear lobes (bb).

What is punnett square?

An effective tool for predicting the variations and probabilities that can result from cross-breeding is a Punnett Square. This includes foreseeing the mating of different species, including humans and animals.

Bb x bb

║

Bb, Bb, bb, bb

Therefore, there will be only 50 percent chances.

For more information regarding Heterozygous, visit:

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