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PCS LivingEnv.Topic4

vocab words

TermDefinition
Asexual Reproduction a method of reproduction in which all the gens passed on to the offspring come from a single individual or parent (Hint: one parent - identical offspring)
Cloning a technique used to make identical organisms
Differentiation the process that transforms developing cells into specialized cells with different structures and functions
Egg female sex cell
Embryo an organism in the early stages of development (prior to birth)
Estrogen a female hormone (produced by the ovaries) that controls female sexual development and and the reproductive process
Expressed the way that an unseen gene is seen in an organism as an actual physical trait; gene is shown
Fallopian Tube where fertilization occurs
Fertilization the process that combines a sperm cell and an egg cell
Fetus the unborn, developing young of an animal during the later stages of development
Gamete the result of activated genes
Gene Expression the result of activated genes
Meiosis the process that results in the production of sex cells - sperm and egg; get half chromosomes from each parent
Mitosis the process that divide the cell's nucleus into two, each with a complete set of genetic material from the parent cell; body cells (Hint: Mitosis = My Toes)
Ovaries the organ of the human female reproductive system that produces an egg cell, the female gamete
Placenta the organ that enables nutrients and oxygen to pass from the mother's blood to the fetus, and waste products to pass from the fetus to the mother's blood (Reminder: mother's blood and baby's blood does not mix)
Progesterone hormone associated with sexual development and the reproductive system
recombination additional mixing of genetic material from a sperm and egg
sex cell an egg or a sperm
sexual reproduction a method of reproduction that involves 2 parents
species a group of organisms that share certain characteristics and can mate with one another
sperm male sex cell
testes male reproductive organ that produces sperm and the hormone testosterone
testosterone a hormone associated with make sexual development and reproduction
uterus the organ in female animals where the embryo develops into a fetus
zygote cell that results from joining of egg and sperm contains all genetic information needed by the offspring
Created by: cboula
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