You Are Trying to Determine If a Newborn Boy Has

question 39

Multiple Choice

You are trying to determine if a newborn boy has an X-linked genetic disorder by analyzing a family pedigree. Which of these findings would rule out the X-linked hypothesis?

• A) All the sons of the baby's grandmother have the disorder.
• B) There are no females in the pedigree with the disorder.
• C) Neither parent has the disorder.

---

Definitions:

Basidiomycota

A large division of fungi, commonly known as club fungi, that includes mushrooms, toadstools, puffballs, and shelf fungi, characterized by producing spores on basidia.

Karyogamy

The final phase of the sexual cycle of fungi and algae, where the nuclei of two mating types or gametes fuse together to form a zygote.

Basidium

A microscopic, spore-producing structure found on the gills under the cap of a mushroom, characteristic of Basidiomycota fungi.

Mushrooms

Fungi that produce a fruiting body above or on the surface of soil, commonly edible and known for their variety in form and biological properties.