6 Questions
What is the chemical that is sometimes described as the blueprint of life?
DNA
Where is DNA found in a cell?
Nucleus
What is the term for the observable characteristics or appearance of an organism?
Phenotype
During cell division, what are the visible strands of DNA known as?
Chromatids
What is the section of DNA responsible for a particular trait called?
Gene
How many pairs of chromosomes do normal human body cells have?
23 pairs
Study Notes
DNA and Genetics
- DNA (Deoxyribonucleic acid) is sometimes described as the blueprint of life.
- DNA is found in the nucleus of a cell.
Genetic Traits
- The term for the observable characteristics or appearance of an organism is known as the phenotype.
Cell Division
- During cell division, the visible strands of DNA are known as chromosomes.
Genes and Traits
- A section of DNA responsible for a particular trait is called a gene.
Human Chromosomes
- Normal human body cells have 23 pairs of chromosomes.
Explore the basics of DNA, chromosomes, and genetic characteristics in living organisms. Learn about the blueprint of life and how DNA determines various traits.
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