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25 Cards in this Set
- Front
- Back
Characteristics |
Features of an organism |
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DNA |
Large molecules that contains genes |
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Gamete |
Scientific word for sex cell (egg and sperm) |
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Gene |
A length of DNA that controls one inherited characteristic of an organism. |
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Genetic information |
The instructions that control your characteristics. These instructions are found in your genes. |
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Inherited |
Passed on to an organism from its parents. |
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Variation |
The differences between things or organisms |
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Environmental factors |
Things in the environment that can change something about an organism. |
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Resistant |
Something that is not affected by disease is said to be resistant. |
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Species |
A group of organisms that can reproduce with each other to create an organism that can also reproduce. |
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Variety |
A set of organisms that are is some way different from other members of the same species. |
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Breed |
A set of animals that are in some way different from other members of the same species. |
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Breeding |
To mate two organisms of the same species to produce offspring. |
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Cross-Breeding |
When different varieties or breeds are mated with one another. |
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Selective breeding |
When humans choose certain animals and plants that have useful characteristics and breed more of these organisms. |
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Yield |
How much of something useful to humans that an organism produces. |
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Fertilisation |
Fusing of a male sex cell and a female sex cell. |
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Ovary |
Part of the female reproductive organ in an organism, it contains ovules, each of which contains an egg cell. |
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Ovule |
Contains egg cells. Is found in the ovary. |
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Pollen |
The male sex cell in plants |
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Pollen tube |
Tube that grows from a pollen grain down through the stigma and style and into the ovary. |
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Pollination |
Transfer of pollen from an anther to a stigma. |
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Seed |
Grows into new plant. Made by conifers and flowering plants. |
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Stigma |
Part of the female reproductive organs in a plant. In is where the pollen lands. |
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During fertilisation |
Two sex cells fuse. |