Autosomal dominant trait among the following is; (1) colour blindness. (2) myotonic dystrophy. (3) sickle-cell anaemia. (4) phenylketonuria.

Understand the Problem

The question is asking to identify which of the listed traits is an autosomal dominant trait, suggesting a need for knowledge about genetic inheritance patterns.

More Information

Myotonic dystrophy is inherited in an autosomal dominant pattern. This means that a single copy of the altered gene in each cell is sufficient to cause the disorder.

Tips

Confusing autosomal dominant traits with autosomal recessive or sex-linked traits can lead to errors.

Sources

• Which of the following is an autosomal dominant trait - EMBIBE - embibe.com
• Which of the following is an autosomal dominant disorder? - infinitylearn.com