Correct option is A
The correct answer is (A) They do not undergo any change.
- Genes can and do undergo changes, which are commonly referred to as mutations. These changes can occur naturally or be induced by environmental factors.
- Mutations are a crucial part of evolution and genetic diversity.
Correct Features of Genes:
- They control traits by producing proteins: Genes code for specific proteins, which influence an organism's traits and functions. For example, the gene for eye color determines the protein that gives pigment to the eyes.
- Each germ cell has one gene set: Germ cells (sperm and egg) are haploid, meaning they carry only one set of genes, which combine during fertilization to form a diploid zygote.
- They are segments of DNA: Genes are specific sequences of DNA that act as instructions for building proteins.
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