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Hort Geneitics
genetics
16
Agriculture
Undergraduate 1
10/29/2009

Additional Agriculture Flashcards

 


 

Cards

Term
Nucleus
Definition
organelle within the plants cell that contains the DNA and RNA
Term
DNA
Definition
double helix of nucleotides and it determines the genetic code
Term
Genetic Code
Definition
specific order of nucleotides on the DNA molecule
Term
Chromatin
Definition
Strands of DNA molecules bound together by proteins, is passed to the offspring as part of the plants heredity
Term
Gene
Definition
a specific sequence of nucleotides on the DNA molecule
Term
-          Locus –
Definition

A specific point or location on the DNA molecule

Term
Meiosis
Definition

-          With Meiosis the DNA does not replicate and when the cell divides you end up with two cells, that each have half of the genetic code of the plant

Term
Mitosis –
Definition

-          Mitosis – the first method, is where the DNA molecule replicates and when the cell divides each cell will have a complete copy of the genetic code

Term
Cross Pollination
Definition

 - Where pollen is from one flower is transferred to the stigma of another flower

Term
Stable Varieties
Definition

 - The result of cross pollination and stable varieties breed true to type, you can collect the seed from the fruit and grow that same plant again

Term
Hybrids –
Definition
produced through controlled cross pollination, goal is to make an offspring that is better than either parent
Term
Mutations
Definition

-  sudden hereditable trait

Term
Protein
Definition

– a chain of amino acids in the cell

Term
3 types of RNA
Definition

RNA directs protein synthesis, mRNA is the messenger RNA, rRNA is the ribosomal RNA, and tRNA is the transfer RNA

Term

Transcription

Definition

 is the biosyntheses of the messenger RNA, first make a mRNA, inside nucleus

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