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1260 (2n - diploid complement).
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Ophioglossum reticulatum, commonly known as the netted adder's tongue, has a haploid chromosome number of 2n = 720. This species has a high chromosome count compared to other plants.
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The scientific or taxonomic name would be Ophioglossum vulgatum.
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The Ferns known as "Ophioglossum", apparently possesses 768 (384 pairs) of chromosomes - Humans only have 46 (23 pairs).
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An adder's tongue is any of several fern-like plants in the genus Ophioglossum, or a lily in the genus Erythonium, otherwise known as the trout lily.
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Adder's tongue fern (Ophioglossum reticulatum) has more chromosomes (1260) than most eukaryotes because it undergoes a unique form of genome duplication - polyploidy. Polyploidy, particularly in plants, can lead to an increase in the number of chromosomes, which can enhance genetic diversity and adaptation to different environments.
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Humans have 23 pairs of chromosomes, totaling 46 chromosomes. This means that humans have an even number of chromosomes. However, most species have an odd number of chromosomes, such as some species of insects where the number of chromosomes can vary widely.
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Searching for most "chromosomes" will get an answer: http://answers.yahoo.com/question/index?qid=20060924171612AATKxOM
It turns out it's the fern.
The Indian fern has 1260 chromosomes.
The Ophioglossum fern has 768 chromosomes.
http://www.madsci.org/posts/archives/2005-11/1131650692.Ge.r.HTML
Eh, but that's a plant. As for animals, I find:
The butterfly has 380.
hermit crab has a grand total of 254 chromosomes (127 pairs)
This answer is for largest genome size, which unfortunately is not strongly correlated with number of genes. It is the best I could do and I expect you'd find it interesting and relevant nonetheless:
The largest animal genome reported remains 133pg for P. aethiopicus (Marbled lungfish), followed by the amphibians Necturus lewisi and N. punctatus at 120pg*, followed by the amphibians Necturus maculosus and Amphiumameans and the lungfish Lepidosiren paradoxa (if one accepts Vinogradov's new estimate; three older studies placed it at 113-124pg), all at roughly 80pg.
I got the answer from: http://www.genomesize.com/statistics.php
and verified it here: http://en.wikipedia.org/wiki/Marbled_lungfish
And no it is not the goldfish (as this used to say). the gold fish has only 94 chromosomes.
Humans have 46 chromosomes and also have unique different types. Half of the chromosomes are like your father's, and the other half are your mom's
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Mammal King crab(a marine mammal if am not wrong) has 208 chromosomes.
Non mammal Hermit crab (since it doesn't 've warm blood)has 254 chromosomes.
In non mammal,a fern(a seedless vascular plant which also does not flower) OPHIOGLOSSUM has most number of chromosomes 768(389 pairs.)
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The maximum numbers of chromosomes is found in a protozoan (Radiolarian Allocantha) where total number of chromosomes are 1600 i.e. 2N = 1600 (Haploid number of chromosomes).
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· Adder's Tongue (ophioglossum vulgate)
· Blackthorn (prunus spinosa)
· Bluebells (hyacinthoides non-scriptus)
· Bugle (ajuga reptans)
· Common Mallow (malva sylvestris)
· Common Sundew (drosera rotundifolia)
· Cow Parsley (anthriscus sylvestris)
· Clustered Bellflower (campanula glomerata)
· Devil's Bit Scabious (succisa pratrensis)
· Dog Rose (rosa canina)
· Giant Horsetail (esuisetum telmateia)
· Golden Samphire (inula crithmoides)
· Gorse (ulex europaeus)
· Greater Knapweed (centaurea scabiosa)
· Greater Sitchwort (stellaria holostea)
· Green Alkanet (pentaglottis sempervirens)
· Green Winged Orchids (orchis morio)
· Hart's Tongue (asplenium scolopendrium)
· Ivy (hendera helix)
· Ivy-leaved Toadflax (cymbalaria muralis)
· Kidney Vetch (anthyllis vulneraria)
· Lesser Celandine (ranunculus ficaria)
· Lichen (cladonia)
· Meadowsweet (filipendula ulmaria)
· Oxeye Daisy (leucanthemum vulgari)
· Pendulous Sedge (carex pendula)
· Purple Loosestrife (lythrum salicaria)
· Ragwort (senecia jacobaea)
· Red Valerian (centranthus ruber)
· Sea Aster (aster tripolium)
· Sea Kale (crambe maritime)
· Sea Thrift (armeria maritime)
· Snowdrop (galanthus nivalis)
· Soft Shield-fern (polystichum setiferum)
· Wood Anemone (anemone nemorosa)
· Wood Speedwell (veronica Montana)
· Yellow Iris (iris pseudacorus)
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