Name one autosomal dominant and one autosomal recessive. Mendelian disorder in human.

Explanation

**Step-by-Step Solution:**

1. **Understanding Autosomal Dominant Disorders:**
- Autosomal dominant disorders occur when a single copy of a mutant gene on an autosome (non-sex chromosome) is enough to cause the disorder. This means that if a person inherits one mutant gene from one parent, they will express the disorder.

2. **Example of an Autosomal Dominant Disorder:**
- One well-known example of an autosomal dominant disorder is **Huntington's disease**. This neurodegenerative disorder is caused by a mutation in the HTT gene.

...