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Reproduction

Reproduction Living Envrionment Regents Review

QuestionAnswer
asexual reproduction a method of reproduction in which all the genes passed on to the offspring come from a single individual or parent
cloning a technique used to make identicle organisms
development the changes that occur from the fertilized egg to a complete individual; occurs by mitosis and differentiation of cells
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 and egg cell and a sperm cell
fetus the unborn, developing young of an animal during the later stages of develpoment
gamete an egg or sperm cell; a sex cell
gene expression see expressed; the result of activated genes
meiosis the process that results in the production of sex cells
mitosis the process that divides the cells nuclues into 2 each with a compelete set of genetic material freom the parent cells
ovaries the organ of the human female reproductive system that produces an egg cell, the female gamete
placenta the organ that enables nuterients and oxygen to pass from the mothers blood to the fetus, and waste products to pass from the fetus to the mothers blood
progesterone a hormone associated with sexual development and the reproductive system
Recombination Mixing of genetic material from sperm and egg to get new genetic combinations and unique offspring
Sex cell cell that contains 1/2 the normal DNA. Egg & Sperm. Haploid cell sometimes represented as "n"
Sexual reproduction Method of reproduction that involves two parents and gentically unique offspring
Species a group of organisms that share characteristics and can mate with one another
Sperm Male sex cell
Testes Male reproductive organ used for sperm production
Teststostrone Hormone associated with development of male reproductive development. (females also contain some testostrone just in lower levels)
Uterus Organ, in female organisims, where embryos implant and develop into fetuses.
Zygote The cell that results from joining of sperm and egg cells.
Created by: user-1555134
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