Dna Flashcards
What is DNA
Deoxyribonucleic acid
What is a chromosome
A long molecule of DNA
What is a gene
A section of DNA that codes for the ribosomes to produce a certain protein from amino acids
DNA determines what… Is made and genes tell the cells what …. Are to be produced
Proteins
Amino acids
What method is used by the police to find criminals with their DNA
DNA fingerprinting
Other than forensics where is DNA finger printing used
Paternity tests
What happens in mitosis
Chromosomes doubled
Chromosomes split up
Membranes form around each set
Cytoplasm divides = two identical cells
What is mitosis used in
Asexual reproduction
Growth and repair
A gamete has .. The number of chromosomes as a normal cell
Half
How does meiosis work
DNA duplicates
Chromosomes match up
Pairs are pulled apart
What is the product of meiosis
Four daughter cells each with a single set of chromosomes
How many divisions occur in meiosis
Two
Xx chromosomes =
Female
XY chromosomes =
Male
How many chromosomes are in every cell but gametes
46
