A disease caused by an autosomal primary non-disjunction is

Options

A. Down's Syndrome
B. Klinefelter's Syndrome
C. Turner's Syndrome
D. Sickle Cell Anemia

Explanation

To solve the question regarding a disease caused by an autosomal primary non-disjunction, we can follow these steps:

### Step-by-Step Solution:

1. **Understand Non-Disjunction**: Non-disjunction is the failure of homologous chromosomes or sister chromatids to separate properly during cell division (meiosis or mitosis). This can lead to gametes with an abnormal number of chromosomes.

2. **Identify Autosomal Chromosomes**: Autosomal chromosomes are the non-sex chromosomes. Humans have 22 pairs of autosomal chromosomes and 1 pair of sex chromosomes.

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