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25 Cards in this Set

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  • Back
Asexual Reproduction
involves one parent and results in one or more offspring that are genetically identical to that parent
Cloning
a technique that makes identical organisms
Differentiation
the process that transforms developing cells into specialized cells with different structures and functions
Egg
a sex cell produced by a female
Embryo
an organism in the early stages of development (prior to birth)
Estrogen
a hormone (produced by the ovaries) that controls female sexual development and the reproductive process
Expressed
the way that an unseen gene is seen in an organism as an actual physical trait.
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
an egg or sperm cell; a sex cell
Gene expression
the result of activated genes
meiosis
the process that results in the production of sex cells
Mitosis
the process that divides the cell's nucleus into two, each with a complete set of genetic material from the parent cell
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
Progesterone
a hormone associated with sexual development and the reproductive system
Recombination
the additional mixing of genetic material from a sperm and egg which results in a unique combination of genes
Sex cell
an egg (female) or a sperm (male)
Sexual Reproduction
a method of reproduction that involves two parents to produce offspring that are genetically different from either parent
Species
a group of organisms that share certain characteristics and can mate with one another producing fertile offspring
Sperm
the male sex cell
Testes
the male reproductive organ that produces sperm and the hormone testosterone
Testosterone
a hormone associated with the male sexual development and reproduction
Uterus
the organ in female animals, where the embryo develops into a fetus
Zygote
the cell that results from the joining of the egg and sperm