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Cytoplasmic genes enter an individual th...

Cytoplasmic genes enter an individual through

A

Centrioles

B

Ribosomes

C

Golgi apparatus

D

Mitochondria

Text Solution

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The correct Answer is:
**Step-by-Step Solution:** 1. **Understanding Cytoplasmic Genes**: Cytoplasmic genes refer to genetic material found outside the nucleus, primarily located in organelles such as mitochondria and chloroplasts. 2. **Identifying the Source of Cytoplasmic Genes**: In the context of inheritance, these genes are typically inherited from one parent, and in most organisms, they are inherited maternally. This means that the mother contributes these genes to the offspring. 3. **Role of Mitochondria**: Mitochondria are known as the powerhouse of the cell and are crucial for energy production. Importantly, they contain their own DNA, which is separate from the nuclear DNA. This mitochondrial DNA is what constitutes the cytoplasmic genes. 4. **Mechanism of Inheritance**: During sexual reproduction, when the male and female gametes fuse, the mitochondria from the sperm are usually destroyed by the egg cell. As a result, the offspring inherit mitochondria (and thus cytoplasmic genes) solely from the mother. 5. **Conclusion**: Therefore, the correct answer to the question "Cytoplasmic genes enter an individual through" is **mitochondria**. ---
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