Examlex
The full-length (i.e., containing the entire protein coding region) cDNA for a specific eukaryotic gene in humans is 1500 nucleotides long. You screen a pig genomic library with this cDNA and isolate two genomic clones of different lengths. Both clones are sequenced and found to be 1900 and 2100 nucleotides long from start codon to stop codon. How would you explain the presence of two genomic clones in pigs and the discrepancies in their lengths compared to the cDNA probe?
Sepals
The part of a flower that typically acts as a protective covering for the flower in bud form and supports the petals once they bloom.
Outermost Whorl
The outermost circle or arrangement of parts in a flower, typically consisting of sepals.
Ovule
The structure in seed plants that develops into a seed after fertilization, containing a female gametophyte and the egg cell.
Tube Cell
refers to a part of the pollen grain in flowering plants, functioning as a pathway for sperm cells to reach the ovule.
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