One Form of Hemophilia Is Caused by a Sex- Linked

question 27

Multiple Choice

One form of hemophilia is caused by a sex- linked recessive gene.Assume that a man with hemophilia marries a phenotypically normal woman whose father had hemophilia.What is the probability that their first son will have hemophilia?

• A)1/4
• B)1/16
• C)1/8
• D)3/4
• E)1/2

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Definitions:

Smell Information

Pertains to the data regarding odors that is processed by the olfactory system.

Hammer

A tool typically used for hitting nails or breaking objects, consisting of a heavy head fixed to a long handle.

Anvil

In non-biological contexts, an anvil is a heavy iron block used in metalworking. In the context of the ear, it refers to the incus, a small anvil-shaped bone in the middle ear that helps transmit sound vibrations.

Stirrup

The stirrup, or stapes, is a small bone in the middle ear that plays a key role in the transmission of sound vibrations to the inner ear.