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NYS LE Topic 4

Reproduction & Development

Egg female sex cell (haploid-half # chromosomes)
Embryo developing fertilized egg, cells are all the same
Fertilization act of combining the egg and sperm cell
Gamete egg cell and sperm cell
Fetus after 2 months of development, organs are formed
Meiosis cell division resulting in half number of chromosomes (haploid)
Mitosis normal cell division. Creates clones.
Ovaries in the female, where eggs are released
Placenta connection between mother’s uterus and baby. Nutrients and oxygen pass through.
Sex cell male and female cells that will combine during fertilization
Species organisms that can reproduce and make offspring that are fertile
Sperm male sex cell (haploid -half # chromosomes)
Uterus part of female reproductive system where baby develops.
Zygote fertilized egg, one cell
Estrogen female hormone responsible for sexual dev’t and menstrual cycles.
Testosterone male hormone responsible for sexual dev’t and formation of sperm
Development how mitosis and differentiation form a complete individual from a fertilized egg.
Differentiation process in which cells become specialized and learn their jobs
Fetus unborn, developing young of an animal
Progesterone hormone involved in development of sex cells and the reproductive system
Recombination additional mixing of genetic material from a sperm and egg that results in a new combination of genes that has never existed before
Created by: etucci