Biology
Grade-9
Easy
Question
What is the structural and functional unit of heredity?
- Gene
- DNA
- RNA
- Chromosome
Hint:
The unit which contains two alleles present in the locus of a DNA.
The correct answer is: Gene
- Genes are the structural and functional unit of heredity
- Genes contain two allele which can be same (homozygous) or different (heterozygous)
- Genes are present in the DNA at specific points called locus
- Expression of specific genes results in specific traits
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