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Science 9 chpt 3 set four
n/a
10
Science
9th Grade
01/07/2011

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Term
Pollen
Definition
tiny grains produced by the anther; contain the male gametes
Term
Pollination
Definition
the process by which pollen is moved from the male structures of a flower to the female structures of the same or another flower
Term
Recessive allele
Definition
an allele that will express its trait (the trait will show up in a person's appearance) only if both of the homologous chromosomes contain the recessive allele
Term
Radical
Definition
the part of the plant embryo that develops into the roots
Term
Recombinant DNA
Definition
technology combining genes from different individuals or different species into a single molecule of DNA
Term
Sperm
Definition
(plural is sperm) a male gamete
Term
Stamen [STAY-muhn]
Definition
the male reproductive structure in a flower
Term
Stigma
Definition
the sticky part of the pistil that receives the pollen grain
Term
Sepal [SEE-puhl]
Definition
tiny leaf-like structure that protects the flower while it is in the bud; found at the base of the flower
Seed the fertilized egg in the ovary of a flower
Term
Selective breeding
Definition
two plants or two animals of one species that have desirable traits are bred with each other to produce offspring with the same traits as the parents
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