Question

part 1 - vocabulary - match each term (1 - 10) with the correct definition (a - j).
term

1. dna
2. gene
3. chromosome
4. trait
5. heredity
6. nucleotide
7. double helix
8. protein
9. mutation
10. genome

definition
a. a physical characteristic passed from parent to offspring
b. a complete set of genetic material in an organism
c. the twisted - ladder structure of dna
d. a section of dna that codes for a specific trait
e. a change in genetic information
f. the molecule that contains the genetic instructions for life
g. a structure made of dna that contains many genes
h. a small unit that makes up dna (a, t, c, g)
i. the passing of genetic information from parents to offspring
j. a molecule built using dna instructions; determines traits

Explanation:

1. DNA is a molecule that contains the genetic instructions for life.
2. A gene is a section of DNA that codes for a specific trait.
3. A chromosome is a structure made of DNA that contains many genes.
4. A trait is a physical characteristic passed from parent to offspring.
5. Heredity is the passing of genetic information from parents to offspring.
6. A nucleotide is a small unit that makes up DNA (A, T, C, G).
7. Double helix is the twisted - ladder structure of DNA.
8. Protein is a molecule built using DNA instructions; determines traits.
9. Mutation is a change in genetic information.
10. Genome is a complete set of genetic material in an organism.

Answer:

1. J. A molecule that contains the genetic instructions for life
2. D. A section of DNA that codes for a specific trait
3. G. A structure made of DNA that contains many genes
4. A. A physical characteristic passed from parent to offspring
5. E. The passing of genetic information from parents to offspring
6. H. A small unit that makes up DNA (A, T, C, G)
7. C. The twisted - ladder structure of DNA
8. F. A molecule built using DNA instructions; determines traits
9. I. A change in genetic information
10. B. A complete set of genetic material in an organism