How are dna, genes, and chromosomes related?

Always use significant figure rules. remember that these rules apply to all numbers that are measurements. if a vector that is 3 cm long represents 30 km/h, what velocity does a 5 cm long vector which is drawn using the same scale represent? a.100 km/h b.60km/h c.50km/h

Aboy with an extra x chromosome probably has which of the following syndromes?

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water