Diploid chromosome numbers of spiders range from 7 (Suzuki 1954) to 128 (Král et al. 2013).
What animal has 46 chromosomes?
List of organisms by chromosome count
|Organism (Scientific name)||Chromosome number|
|Arabian coffee (Coffea arabica)||44|
|Reeves’s muntjac (Muntiacus reevesi)||46|
|Human (Homo sapiens)||46|
|Nilgai (Boselaphus tragocamelus)||46|
How many chromosomes do ants have?
Ants belong to the taxonomic insect order Hymenoptera, which also contains bees, wasps, hornets and sawflies. All hymenopteran species so far studied that have a diploid chromosome count above 52 (i.e., above 26 pairs) are ants. N.
How many chromosomes do black widows have?
We obtained over 100 well-defined metaphase spreads from developing L. hesperus (LH) eggs (20 eggs analyzed, 5–6 spreads per egg). From these visualizations, we determined that Western black widows have diploid chromosome numbers of 26 or 28 (Figures 1, S1A, S1B).
Which animal has highest number of chromosomes?
The mitotic and meiotic chromosomes of the semiaquatic rodent Ichthyomys pittieri (Rodentia, Cricetinae) from Venezuela were analyzed by means of conventional staining and several banding techniques. The diploid chromosome number of this rare species is 2n = 92, which is the highest value known for mammals.
What if a person has 47 chromosomes?
A trisomy is a chromosomal condition characterised by an additional chromosome. A person with a trisomy has 47 chromosomes instead of 46. Down syndrome, Edward syndrome and Patau syndrome are the most common forms of trisomy.
Do ants have 27 chromosomes?
The chromosome numbers of 40 ant species are reported. … The chromosome numbers range between n=8 and n=26. Remarkable karyotypes are those of the genusLasius in exhibiting mainly acrocentric chromosomes. In all other karyotypes the majority of chromosomes show medio- or submediocentric centromere position.
What is the world record for chromosomes?
The organism with the highest chromosome number recorded in to date is estimated to be 1,440 (or 720 pairs) found in the adder’s tongue fern Ophioglossum reticulatum. Original text presents information as: “to date is 2n = ca.