|
|
|
front |1 |2 |3 |4 |5 |6 |7 |8 |9 |10 |11 |12 |13 |14 |15 |16 |17 |18 |19 |20 |21 |22 |23 |24 |25 |26 |27 |28 |29 |30 |31 |32 |33 |34 |35|36 |37 |38 |39 |40 |41 |42 |43 |44 |45 |46 |47 |48|review |
 |
Every cell contains a complete copy of “the
blueprint of life” DNA consists of two strands of nucleotides - 4 bases (A,G,T,C) 23 pairs of chromosomes If unwound and tied together, human DNA in one cell would stretch ~ 5 feet, but would be only 50 trillionths of an inch wide! Genes are specific sequences of DNA, each of which “codes” for a protein with a specific function Genes are copied each time a cell divides, passing on the blueprint
|
