Unit 4 Molecular Genetics 1
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Anther | The upper portion of a stamen, which contains pollen grains
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| Cross-pollination | The transfer of pollen from the anther of one flower to the stigma of another
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| Egg cell | A female reproductive cell in a plant or animal
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| Embryo | The undeveloped stage of a plant or animal. Examples: a plant that has not germinated; a baby chick that has not hatched
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| Fertilization | The union of a male reproductive cell and a female reproductive cell to form a cell that will develop into a new individual
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| Filament | The stalk of a stamen
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| Genetics | The science of heredity
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| Germination | Starting to grow or develop; sprouting
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| Ovary | The enlarged lower part of a pistil and is the reproductive organ that produces egg cells. It encloses the ovules or young seeds
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| Ovule | Part of a plant that develops into a seed, found in ovary of a flower
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| Pistil | The entire female part of a flower
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| Pollen | A powdery grain on the stamen that contains a sperm cell
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| Receptacle | The stalk which holds a flower
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| Reproduction | The process by which cell produce new cells like themselves, or by which an organism produces offspring
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| Self-pollination | The transfer of pollen from the anther of a flower to the stigma of the same flower
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| Sepal | One of the leaflike parts which make up the calyx of a flower
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| Sperm cell | A male reproductive cell in a plant or animal
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| Stamen | The male part of the flower generally composed of an anther and filament
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| Stigma | The top of the pistil of a flower
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| Style | A part of the pistil of a flower that extends from the ovaries to the stigma
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| Chromosome | Rod-shaped parts of a cell that carry the genes (the hereditary material)
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| Gene | The unit of DNA which carries inherited traits
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| Meiosis | Cell division which takes place in the reproductive cells and which produce new cells with half the number of chromosomes
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| Mitosis | Cell division whereby new cells have the same number of chromosomes as the parent. Example: Cell division for repair
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| Nucleus | The part of a cell that contains the DNA molecule and controls cell activities
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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