At Eight Weeks of Development,the Fetus Has All of the Following

question 65

Multiple Choice

At eight weeks of development,the fetus has all of the following except:​

• A)a beating heart.
• B)fully formed facial features.
• C)​a fully formed digestive system.
• D)​well-defined fingers and toes.
• E)​a complete central nervous system.

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Definitions:

Incomplete Dominance

A genetic phenomenon in which neither allele of a gene completely masks the other in a heterozygote, resulting in a phenotype that is a blend of the two alleles.

True-breeding

Referring to organisms that, when bred, produce offspring identical to themselves in regards to certain traits over many generations.

Pink Flowers

Plants characterized by their pink-colored blossoms, which result from varying pigment concentrations and can be found in numerous species across different habitats.

Intermediate Phenotype

A phenotype that exhibits a blend or mixture of characteristics between two extremes, often seen in incomplete dominance genetic scenarios.