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Heredity Unit 1

TermDefinition
Asexual Reproduction Asexual reproduction is a type of reproduction by which offspring arise from a single organism, and inherit the genes of that parent only
Binary Fission is the division of a single entity into two or more parts and the regeneration of those parts to separate entities resembling the original
Budding Budding is a type of asexual reproduction in which a new organism develops from an outgrowth or bud due to cell division at one particular site
Fragmentation/Regeneration Fragmentation in multi cellular organisms is a form of asexual reproduction in which an organism is split into fragments
Sexual Reproduction Sexual reproduction is a type of life cycle where generations alternate between cells with a single set of chromosomes and cells with a double set of chromosomes
Internal Fertilization Internal fertilization is the union of an egg cell with a sperm during sexual reproduction inside the body of a parent. For this to happen there needs to be a method for the male to introduce the sperm into the female's reproductive tract
External Fertilization External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body
Angiosperms A plant that has flowers and produces seeds enclosed within a carpel
Petals Petals are modified leaves that surround the reproductive parts of flowers
Sepal Usually green, sepals typically function as protection for the flower in bud, and often as support for the petals when in bloom
Stem The main body or stalk of a plant or shrub
Anther The part of a stamen that contains the pollen
Filament A slender threadlike object or fiber, especially one found in animal or plant structures
Stamen The male fertilizing organ of a flower, typically consisting of a pollen-containing anther and a filament
Stigma The stigma is the sticky stem of the pistil of the female reproductive system in a plant
Style It is a long, slender stalk that connects the stigma and the ovary
Ovary Enlarged basal portion of the pistil, the female organ of a flower
Pistil The female organs of a flower, comprising the stigma, style, and ovary
Pollination The transfer of pollen to a stigma, ovule, flower, or plant to allow fertilization
Created by: s43880