Biology
- Sex Determination In Animals
Sex chromosomes and AutosomesMost of the diploid organisms are with separate sexes. The organisms producing sperms are called males and those producing eggs (ova) are called females. Chromosome is the major factor to determine the sex of an organism. The...
- Weight Of Brain In Different Animals
Species Weight (g) MAMMALS 1. Aardvark 72 2. Baboon 137 3. Bear, Polar 498 4. ...
- The Most: Related To Animals -6 (mammals)
Blue whale 1. Commonest animal Homo sapiens (man) 2. Fastest animal Cheetah, Acinonyx jubatus (112 km/hr) (found in Africa, Middle East, W. Asia) 3. ...
- The Most: Related To Animals -1 (invertebrates)
1. Animal which turns its body most times Cockroach (25 times/sec) 2. Deepest Living Myriotrochus bruuni. Found at a depths up to 10,710 m or (35,130 ft). Marianas Trench...
- Gestation Period Of Some Mammals
Animal Gestation period (days) 1. Ass 365 2. Camel 400 3. Cat 63 4. ...
Biology
Chromosome Number of various Animals
| Animal | Chromosome number |
| 1. African wild dog (Lycaon pictus) | 78 |
| 2. American badger (Taxidea taxus) | 32 |
| 3. American marten (Martes americana ) | 38 |
| 4. American Mink (Neovison vison) | 30 |
| 5. Amoeba (Amoeba proteus) | 250 (haploid) |
| 6. Ant, Jack jumper (Myrmecia pilosula) | 2 for females, males are haploid. |
| 7. Aquatic rat (Anotomys leander) | 92 (Highest number in mammals with Ichthyomys pittieri) |
| 8. Ass (Equus hemionus ) | 66 |
| 9. Aulacantha (protozoa) [highest] | 1600 |
| 10. Bat-eared Fox (Otocyon megalotis) | 72 |
| 11. Beaver American (Castor Canadensis) | 40 |
| 12. Beaver Eurasian (Castor fiber) | 48 |
| 13. Beech marten (Martes foina ) | 38 |
| 14. Bengal Loach fish (Botia dario) | 90 |
| 15. Brush-tailed Rock-wallaby | 22 |
| 16. Buffalo (Bison bison) | 60 |
| 17. Capuchin monkey (Cebus x) | 54 |
| 18. Caribou/reindeer | 70 |
| 19. Carp | 104 |
| 20. Cat (Felis catus) | 38 |
| 21. Cattle (Bos taurus, B. indicus) | 60 |
| 22. Channa | 32 |
| 23. Chicken (Gallus gallus domesticus) | 78, 77 |
| 24. Chimpanzee (Pan troglodytes) | 48 |
| 25. Chinchilla (Chinchilla lanigera) | 64 |
| 26. Clarias (Magur) | 52 |
| 27. Coatimundi (Nausua nausua) | 38 |
| 28. Cockroach (Periplaneta americana) | Male:23, Female: 24 |
| 29. Coracias benghalensis | 78 |
| 30. Cow (Bos primigenius) | 60 |
| 31. Coyote (Canis latrans ) | 78 |
| 32. Crab-eating rat (semi-aquatic rodent) (Ichthyomys pittieri) | 92 (Highest number in mammals with Anotomys leander) |
| 33. Crocodile (Mugger) | 30 |
| 34. Crow (Corvus splendens) | 78 |
| 35. Deer mouse (Peromyscus maniculatus) | 48 |
| 36. Dhole (Cuon alpinus) | 78 |
| 37. Dingo (Canis lupus dingo) | 78 |
| 38. Dog (Canis lupus familiaris) | 78 |
| 39. Dolphin (Delphinidae Delphis) | 44 |
| 40. Donkey (Equus africanus asinus) | 62 |
| 41. Dove | 16 |
| 42. Dove, African collared dove (Streptopelia roseogrisea) | 78 |
| 43. Drosophila melanogaster (fruit fly) | 8 (6 autosomal & 2 sexual) |
| 44. Duck | 80 |
| 45. Duck-billed Platypus (Ornithorhynchus anatinus) | 52 Ten sex chromosomes |
| 46. Earthworm (Lumbricus terrestris ) | 36 |
| 47. Echidna | 63 (XXY, male) and 64 (XXXX, female) |
| 48. Elephant (Elephas) | 56 |
| 49. Elk (Wapiti / red deer) (Cervus elaphus) | 68 |
| 50. Eryx johni (Dumai) | 34 |
| 51. Eurasian badger (Meles meles) | 44 |
| 52. European mink (Mustela lutreola) | 38 |
| 53. European polecat (Mustela putorius) | 40 |
| 54. Ferret (Mustela putorius furo ) | 40 |
| 55. Field horsetail (Equisetum arvense) | 216 |
| 56. Fisher (Martes pennanti)- a type of marten | 38 |
| 57. Fossa (Cryptoprocta ferox) | 42 |
| 58. Fox, Bengal (Vulpes bengalensis) | 60 |
| 59. Fox, Fennec (Vulpes zerda) | 64 |
| 60. Fox, Red (Vulpes vulpes) | 34 Plus 3-5 microsomes |
| 61. Frog (British) | 26 |
| 62. Frog (Indian) | 24 |
| 63. Gadusia chapra | 46 |
| 64. Gambusia | 48 |
| 65. Geometrid moth | 224 |
| 66. Gharial | 32 |
| 67. Giraffe (Giraffa camelopardalis) | 62 |
| 68. Goat (Capra aegagrus hircus) | 60 |
| 69. Gold fish | 94 |
| 70. Golden jackal (Canis aureus) | 78 |
| 71. Gorilla (Gorilla gorilla) | 48 |
| 72. Grasshopper | 23, 24 |
| 73. Gray fox (Urocyon cinereoargenteus) | 66 |
| 74. Guinea pig | 64 |
| 75. Gypsy moth (Lymantria dispar) | 62 |
| 76. Hare (Lepus capensis) | 48 |
| 77. Hedgehog, African (Atelerix albiventris) | 90 |
| 78. Hedgehog, Woodland (Erinaceus) | 88 |
| 79. Honeybee (Apis spp) | Male: 16, Female: 32 |
| 80. Honeybee, European (Apis mellifera) | 32 |
| 81. Horse (Equus ferus caballus ) | 64 |
| 82. Housefly (Musca domestica) | 12 |
| 83. Human (Homo sapiens) | 46 (44 autosomal, 2 sexual) |
| 84. Hydra | 32 |
| 85. Hyena (Crocuta crocuta) | 40 |
| 86. Kangaroo (Macropus spp) | 12 |
| 87. Kangaroo, red (M. rufus) | 40 |
| 88. Kit fox (Vulpes macrotis) | 50 |
| 89. Lac insect | 32 |
| 90. Lion (Panthera leo) | 38 |
| 91. Long-nosed Cusimanse (a type of mongoose) | 36 |
| 92. Maned wolf (Chrysocyon brachyurus) | 76 |
| 93. Meerkat (Suricata suricatta) | 36 |
| 94. Mosquito (Aedes aegypti) | 6 (Also for Culicidae except in Chagasia bathana (8) |
| 95. Mouse (Mus musculus) | 40 |
| 96. Mule | 63 (semi-infertile) |
| 97. Myrmecia pilosula (ant) | 2 for females, males are haploid |
| 98. Opossum | 22 |
| 99. Orangutan (Pongo x) | 48 |
| 100. Oriental Small-clawed Otter (Aonyx cinerea) | 38 |
| 101. Pig (Sus scrofa) | 40 |
| 102. Pigeon | 79, 80 |
| 103. Pine marten (Martes martes) | 38 |
| 104. Platy fish | 48 |
| 105. Porcupine (Erethizon dorsatum) | 34 |
| 106. Rabbit | 44 |
| 107. Raccoon (Procyon lotor) | 38 |
| 108. Raccoon dog (Nyctereutes procyonoides) | 56 |
| 109. Raccoon Dog (Nyctereutes viverrinus) | 42 (some sources say sub-species differ with 38, 54, and even 56 chromosomes) |
| 110. Raccoon dog, Zen | 51 |
| 111. Raccoon Dog/Tanuki (Nyctereutes procyonoides albus) | 38 |
| 112. Rat | 42 |
| 113. Red panda | 36 |
| 114. Reeves's Muntjac (Muntiacus reevesi) | 46 |
| 115. Rhesus monkey | 42 |
| 116. Roundworm (Ascaris lumbricoides) | 48 |
| 117. Roundworm (Ascaris megalocephala) | 2 |
| 118. Roundworm (Caenorhabditis) | Male: 11, Female: 12 |
| 119. Rueppell's fox | 40 |
| 120. Sable (Martes zibellina) | 38 |
| 121. Sable antelope (Hippotragus niger) | 46 |
| 122. Sea otter | 38 |
| 123. Sheep (Ovis aries) | 54 |
| 124. Shrimp (Penaeus semisulcatus) | 86-92 |
| 125. Silkworm | 56 |
| 126. Snail | 24 |
| 127. Spotted skunk (Spilogale x) | 64 |
| 128. Starfish | 36 |
| 129. Striped skunk (Mephitis mephitis) | 50 |
| 130. Swamp wallaby (Wallabia bicolor) | 10 (male), 11 (female) |
| 131. Syrian hamster | 44 |
| 132. Tibetan sand fox (Vulpes ferrilata) | 36 |
| 133. Tiger (Panthera tigris) | 38 |
| 134. Toad | 24 |
| 135. Turkey | 81, 82 |
| 136. Virginia opossum (Didelphis virginiana) | 22 |
| 137. White-tailed Deer (Odocoileus virginianus) | 70 |
| 138. Wolf(Canis lupus) | 78 |
| 139. Wolverine (Gulo gulo) | 42 |
| 140. Woolly Mammoth (Mammuthus primigenius; extinct) | 58 |
| 141. Yellow Mongoose (Cynictis penicillata) | 36 |
- Sex Determination In Animals
Sex chromosomes and AutosomesMost of the diploid organisms are with separate sexes. The organisms producing sperms are called males and those producing eggs (ova) are called females. Chromosome is the major factor to determine the sex of an organism. The...
- Weight Of Brain In Different Animals
Species Weight (g) MAMMALS 1. Aardvark 72 2. Baboon 137 3. Bear, Polar 498 4. ...
- The Most: Related To Animals -6 (mammals)
Blue whale 1. Commonest animal Homo sapiens (man) 2. Fastest animal Cheetah, Acinonyx jubatus (112 km/hr) (found in Africa, Middle East, W. Asia) 3. ...
- The Most: Related To Animals -1 (invertebrates)
1. Animal which turns its body most times Cockroach (25 times/sec) 2. Deepest Living Myriotrochus bruuni. Found at a depths up to 10,710 m or (35,130 ft). Marianas Trench...
- Gestation Period Of Some Mammals
Animal Gestation period (days) 1. Ass 365 2. Camel 400 3. Cat 63 4. ...