A Maternal Effect Mutation Bicoid (Bcd)is Recessive

question 12

Essay

A maternal effect mutation bicoid (bcd)is recessive.The bcd allele makes no Bicoid protein.In the absence of the Bicoid protein,product embryogenesis is not completed and eggs fail to hatch into viable larva.Consider a cross between a female who is heterozygous (bcd^+/bcd)and a homozygous mutant male (bcd/bcd).
a.How is it possible for a male homozygous for the mutation to exist?
b.Predict the outcome (normal and/or failed embryogenesis)in the F₁ and F₂ generations resulting from this cross.

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Definitions:

Ivan Pavlov

A Russian physiologist known for his work in classical conditioning, demonstrating how stimuli can trigger reflexes and behaviors in animals.

Averts Her Gaze

The act of someone deliberately looking away to avoid eye contact, which can be interpreted in various social or psychological contexts.

Embarrassment

The feeling that people experience when interaction is disrupted because the identity they have claimed in an encounter is discredited.

Homogeneous Group

A group of individuals who share similar characteristics, such as ethnicity, cultural background, or interests, making the group relatively uniform.