The most difficult genetics riddles A list of genetics related questions that are most often answered incorrectly Nature quiz What can we measure in Centimorgans?The The distance between chromosome positions. In genetics, a centimorgan (abbreviated cM) is a unit for measuring genetic linkage. It is defined as the distance between chromosome positions for which the expected average number of intervening chromosomal crossovers in a single generation is 0.01. It is often used to infer distance along a chromosome. However, It is not a true physical distance.hard 52% The distance between molecules in solutionThe distance between molecules in solution14%The length of chemical bondsThe length of chemical bonds15%the The distance between chromosome positionsthe The distance between chromosome positions52%The length of protein structuresThe length of protein structures17%Created by: Katarzyna Dąbrowska. Statistics based on 3949 answers in 2 languages »biology 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).hard 53% a malea male15%a femalea female53%it is not possible to tellit is not possible to tell27%it is not a cat at allit is not a cat at all3%Created by: Sara Amoncio. Statistics based on 25559 answers in 4 languages »colors 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.average 61% ManxManx61%AbyssinianAbyssinian15%BirmanBirman17%SiameseSiamese5%Created by: globalquiz.org. Statistics based on 16086 answers in 2 languages »cats 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.average 63% 62627%636363%64648%It is infertile and does not have chromosomesIt is infertile and does not have chromosomes20%Created by: karate kid. Statistics based on 22049 answers in 4 languages »zoology 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.easy 70% CancersCancers4%Genetic disordersGenetic disorders70%Mental disordersMental disorders13%Viral infectionsViral infections11%Created by: Kasia. Statistics based on 20416 answers in 2 languages »religions riddles » 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.easy 71% 232371%464617%52524%26266%Created by: 12 year old genius. Statistics based on 13170 answers in 2 languages »medicine 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.easy 72% gorillasgorillas14%chimpanzeeschimpanzees72%orangutansorangutans10%gibbonsgibbons2%Created by: Hitter smasher. Statistics based on 17443 answers in 4 languages »apes 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.very easy 81% menmen81%womenwomen2%sailorssailors2%everyone with the same probabilityeveryone with the same probability13%Created by: Mike Stanaway. Statistics based on 18169 answers in 2 languages »medicine riddles » Play nature quiz and see all the questions.