ADN — definition?
Nucleic acid storing hereditary info.
Genetic information — role?
Carries instructions for traits via genes.
Gene — role?
Contains instructions to produce a specific protein.
DNA structure — component?
Double helix with two antiparallel strands.
Nucleotide — parts?
Phosphate, deoxyribose, nitrogen base.
Antiparallel — meaning?
Strands run in opposite 5'→3' directions.
DNA replication — process?
Copies DNA semiconservatively for cell division.
Chromosome — function?
Packages DNA and carries genes.
Caryotype — purpose?
Displays chromosome number and structure.
Mitosis vs meiosis — difference?
Mitosis: identical cells; meiosis: diverse gametes.
Genetic code — what?
Triplets (codons) specify amino acids.
Mutations — effect?
Heritable DNA sequence changes affecting traits.
Answer 12 questions on Genetics Fundamentals and Cell Division.
1. What best describes DNA in living cells?
2. Why does the order of nucleotides in a gene matter?
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