Genetics questions This is a list of recently added questions about genetics. How many pairs of chromosomes does a human have?23. A typical human possesses 23 pairs of chromosomes, which add up to 46. Two of the chromosomes are gender related. A female will have two X chromosomes and a male will have one x and y chromosome. As you may have noticed, females do not have y chromosome.Created by: 12 year old geniuseasy 71% 232373444646184252524452626676biology riddles » Which cat breed is characterized by lack of tail?Manx. The Manx taillessness gene is dominant; kittens from two Manx parents are generally born without any tail. However, having two copies of the gene is lethal in utero, so breeders avoid breeding two entirely tailless Manx cats together. Typically, when bred with non-Manx cat, tail length is random throughout a litter of kittens.Created by: globalquiz.orgaverage 61% ManxManx8896AbyssinianAbyssinian2224BirmanBirman2502SiameseSiamese846cats riddles » Which animals are the closest relatives to humans?Chimpanzees and humans share a common ancestor about four to six million years ago. The genetic similarity is so high, that the two species of chimpanzees, Pan troglodytes and Pan paniscus, have been proposed to belong with H. sapiens in the genus Homo, rather than in Pan.Created by: Hitter smashereasy 71% gorillasgorillas2350chimpanzeeschimpanzees11408orangutansorangutans1747gibbonsgibbons379apes riddles » Is this a male, or a female cat?A female. This kind of coat coloring, which combines two colors other than white (black and red in this case), is known as tortoiseshell, and it is found almost exclusively in female cats. This is because the X chromosome determines the color of the cat, and there are no color genes in Y chromosome. Thus, female cats with XX chromosomes may be three colored (including white), while male cats with XY chromosomes cannot. (with the exception of very rare XXY sterile males).Created by: Sara Amonciohard 53% a malea male3503a femalea female12307it is not possible to tellit is not possible to tell6351it is not a cat at allit is not a cat at all869colors riddles » How many chromosomes does a mule have? (A horse has 64, a donkey has 62)63. A mule is the offspring of a male donkey and a female horse. Mules have 63 chromosomes, a mixture of the horse's 64 and the donkey's 62.Created by: karate kidaverage 63% 6262154763631252264641640It is infertile and does not have chromosomesIt is infertile and does not have chromosomes4161zoology riddles » Who is more likely to be colorblind?Men. It is much less likely for a woman to be red-green colorblind than a man, since this common type of color blindness is caused by a recessive gene in the X chromosome. For a woman, both of her X chromosomes would have to be affected. A man only has one X chromosome, so he is more likely to be color-blind.Created by: Mike Stanawayvery easy 81% menmen13140womenwomen465sailorssailors376everyone with the same probabilityeveryone with the same probability2160medicine riddles » Which diseases are exceptionally common among Amishes?Genetic disorders. Since almost all Amish descend from about 200 18th-century founders, genetic disorders that come out due to inbreeding increase the mortality rate among Amish children. In contrast, cancer rates are 56 percent of the national rate.Created by: Kasiaeasy 70% CancersCancers860Genetic disordersGenetic disorders12925Mental disordersMental disorders2427Viral infectionsViral infections2191religions riddles » Play nature quiz and see all the questions.