Lesson 12 Flashcards
1
Q
Unit of heredity and composed of DNA and RNA
A
Genes
2
Q
How many pair of cells does a human have
A
46
3
Q
Nucleotides
A
Adenine, guanine, cytosine, thymine, uracil
4
Q
The alteration in the DNA sequence
A
Mutation
5
Q
Modication of an organism’s genetic composition
A
Genetic engineering