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science

QuestionAnswer
DNA long molecule that contains the genetic information for all living things
nucleotide the building blocks of DNA
double helix a structure that is like a twisted ladder
complementary base pairing adenine pairing with thymine and guanine pairing with cytosine
gene specific section of DNA that contains the instructions for making a particular protein or trait
chromosome a structure made of DNA and proteins that helps organize and package genetic material
chromatin thin, spread-out strands
homologous chromosomes matching chromosomes
autosomes first 22 pairs of humans cells
sex chromosomes determine biological sex
karyotype a picture that shows all of an organisms's chromosomes
trisomy three copies of a chromosome
chromosomal abnormalities changes in the number or structure of chromosomes
Created by: LUMEGR
 

 



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