Term
| alternation of generations |
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Definition
| haploid and diploid generations take turns in producing each other |
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Definition
| diploid plant that produces haploid spres by meiosis |
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| order of modified leaves from outside to inside |
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Definition
| sepals petals stamens carpels |
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Definition
| have sepals petals stamens carpels |
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Definition
| lack on or more of the four modiefied leaves |
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| stamen and carpel are on same plant |
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Definition
| stamens and carpels on different plants |
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Definition
| form when microsporocytes go through meiosis. produces fenerative cell and tube cell. |
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Definition
| prodeced when megasporocute goes through meiosis. only one of the four produced survives. |
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Definition
| megaspore mass with eight haploid nuclei. the female gametophyte |
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Term
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Definition
| pollen goes on the stigma of the carpel |
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Term
| self incompatible flowers |
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Definition
| pollen grain from an anther lands on stigma of a flower on the same plant, biochemical block prevents fertilization |
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Definition
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Term
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Definition
union of two sperm cells with different cell of the embryo sac.
one sperm fertilizes egg to form zygote. other sperm combines with two poalr nuclei to form a triploid nucleus in the center of hte large central cell fo the embryo sac. |
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Definition
| encloses embryo and food supply |
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Definition
| embryonic axis below the pt where cotyledons are attached |
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Definition
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Definition
| embryonic axis above the cotyledons |
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Term
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Definition
specialized cotyledon in monocot seed.
absorbs nutrients during fertilization |
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Term
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Definition
sheath enclosing grass embryo
covers root and coleoptile |
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| derived form single ovary |
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Term
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Definition
results of singe flower that has several carpels.
ex: blackberry |
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Term
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Definition
developes form an inflorescence
group of flowers tightly clustered together
ex: pineapple |
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Term
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Definition
| absorption of water due to low water potentail of dry seed |
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Term
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Definition
seperation fo parent plant into parts that reform whole plants
most common mode of vegetative reproduction |
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Term
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Definition
| produce seeds without fertilized flowers |
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Term
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Definition
| undifferentated dividing cells at the cut end of a shoot |
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Definition
| plant tha provides the rood system |
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Definition
| cultivation of of large areas of land with a single plant |
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Definition
| being coupled with tissue culture nethods to actually invert new plant varieties that can be cloned |
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Definition
| aquisition of cell's specific structure |
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Definition
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Definition
| ring of microtubles in the cell cortex |
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Definition
| development of specific structures in specific locations |
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Definition
| signals that indicate each cell's location within an embryonic structure |
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Definition
| helps with the transition from vegetative growht to flowering |
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