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21 Cards in this Set

  • Front
  • Back
Somatic cells
Body cells made up of most body tissues and organs
Germ cells
Reproductive organs the ovaries or the tests that develop into gametes
Gametes
Sex cells ova or eggs for female, sprematoza or Sperm cells in male
Homologous chromosomes
2 chromosomes. 1 from the mother and 1 from the father. Same length and appearance
Autosomes
Chromosome that genes for characteristics not related to sex of organisum
Sex chromosomes
Directly related to the sexual characteristics
Sexual reproduction
Fusion of two gametes that result in offspring
Fertilization
Actual fusion of an egg and a sperm cell
Diploid (2n)
Cells have two copies of each chromosomes
Haploid (n)
Cells have only one copy of each chromosome
Tetraploidy
4 sets of chromosomes
Meiosis
Form of nuclear division that divides a diploid cell into haploid cell
Gametogenesis
Production of gametes
Sperm
Male gamete
Egg
Female gamete
Polar bodies
Cells with little more than DNA and eventually broken down
Traits
Distinguishing traits inherited
Genetics
Study of biological inhetance patterns and variation in things
Gregor mendal
Discovered herditat units
Purebred
All parents charatersicts
Cross
Mating of two different organisms