genetic material

Chromosomes and genes

Genetic material is the molecules that carry hereditary information in living organisms—DNA in most life forms, RNA in some viruses.

The term appears in biology, medicine, and law: The lab analyzed genetic material from the crime scene.

It encompasses chromosomes, genes, and any biological substance containing heritable code.

molecular

DNA

Hereditary code molecule

base pair · double helix · adenine · thymine · cytosine · guanine · uracil · codon · chromatin · telomere

process

replication

Act of duplicating precisely

splicing · synthesis · mutation · recombination · sequencing · genotyping · polymerase · cloning · amplification · methylation

cellular

nucleus

Central controlling part

  • cellBasic unit of life
  • mitosisNuclear division producing identical cells
  • meiosisGamete-producing cell division

gamete · zygote · germ cell · somatic cell · egg · sperm · chromosome · karyotype · centromere · spindle

heredity

inheritance

Property received from ancestors

  • alleleGene variant at one locus
  • phenotypeObservable characteristics of organism
  • traitDistinguishing personal quality

dominant · recessive · Mendelian · pedigree · carrier · hereditary · offspring · filial · homozygous · heterozygous

ancestry

lineage

Descent from progenitors

bloodline · ethnicity · ancestry · DNA testing · haplogroup · maternal line · paternal line · family tree · origins · forebears

evolution

mutation

Permanent DNA alteration

diversity · fitness · variation · survival · Darwinism · evolutionary · biodiversity · polymorphism · selective pressure · common ancestor

Categories
Opposites
inheritance mechanism

genetic materiallearned behavior

Action acquired through experience

acquired traits · imitation · environmental influences · life experience · social learning

biological origin

genetic materialenvironmental factors

Outside influences on organisms

foreign substances · pathogens · toxins · synthetic material

determinism source

genetic materialnurture

Support growth and development

environment · upbringing · experience · conditioning · socialization

Family

material, genes, genetic, gene, genetics, genome, genetically, genomics, genotype

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