Many early investigators proposed a Caucasian ancestry, although recent DNA tests have not shown any genetic similarity with modern Europeans.

Many rabbinic authorities allow abortions on the grounds of gross genetic imperfections of the fetus.

Many non-infectious diseases have a partly or completely genetic basis ( see genetic disorder ) and may thus be transmitted from one generation to another.

Many hypotheses on the evolutionary origins of the universal genetic code have been proposed.

Many other risk factors, some modifiable and others non modifiable such as genetic may be involved in osteoporosis.

Many studies have investigated a genetic link between this variation and cancer susceptibility, however, the results have been controversial.

Many agency reports, books and web pages list the red wolf as Canis rufus but recent genetic research has opened a new debate about the taxonomy of both the red wolf and Canada's eastern wolf ( Canis lycaon ).

Many of the assertions put forth and conclusions reached by the authors are very controversial, ranging from the relationships between low measured intelligence and anti-social behavior, to the observed relationship between low African-American test scores ( compared to whites and East Asians ) and genetic factors in intelligence abilities.

Many white supremacist groups are based on the concept of preserving genetic purity, and do not focus solely on discrimination by skin color.

Many introns appear to be mobile genetic elements.

Many intrinsic cardiomyopathies now have identifiable external causes including drug and alcohol toxicity, certain infections ( including Hepatitis C ), and various genetic and idiopathic ( i. e., unknown ) causes.

Many drug molecules are made toxic in the liver, and the genetic variability of certain liver enzymes makes the toxicity of many compounds differ between individuals.

Many more genetic components of the biological clock are now known.

Many species will immediately seem familiar to visitors from the northern hemisphere-Australian wrens look and act much like northern hemisphere wrens and Australian robins seem to be close relatives of the northern hemisphere robins, but in fact the majority of Australian passerines are descended from the ancestors of the crow family, and the close resemblance is misleading: the cause is not genetic relatedness but convergent evolution.

Many attempts to breed disease resistant cultivar hybrids have usually involved a genetic contribution from Asian elm species which have demonstrable resistance to this fungal disease.

Many approaches to the problem have been explored, including greedy algorithms, randomized search, genetic algorithms and A * search algorithm.

Many researchers believe that the main problem related to agro-ecosystem management is the general tendency towards genetic and ecological uniformity imposed by the development of modern agriculture.

Many genetic conditions are associated with macrocephaly, including familial macrocephaly, autism, PTEN mutations such as Cowden disease, neurofibromatosis type 1, and tuberous sclerosis ; overgrowth syndromes such as Sotos syndrome ( cerebral gigantism ), Weaver syndrome, Simpson-Golabi-Behmel syndrome ( bulldog syndrome ), and macrocephaly-capillary malformation ( M-CMTC ) syndrome ; neurocardiofacial-cutaneous syndromes such as Noonan syndrome, Costello syndrome, and cardiofaciocutaneous syndrome ; Fragile X syndrome ; leukodystrophies ( brain white matter degeneration ) such as Alexander disease, Canavan disease, and megalencephalic leukoencephalopathy with subcortical cysts ; and glutaric aciduria type 1 and D-2-hydroxyglutaric aciduria.

Many clefts run in families, even though in some cases there does not seem to be an identifiable syndrome present, possibly because of the current incomplete genetic understanding of midfacial development.

Many different genes may be contributing to the genetic risk of acquiring this illness.

Many engage in research activities related to the field of medical genetics and genetic counseling.

Many studies based on physical characteristics, genetic information and combined data support the longstanding hypothesis that the king crabs in the family Lithodidae are derived hermit crabs and should be classified as a family within Paguroidea.

Many of the superhumans on Earth owe their powers to the " metagene ", a genetic feature of unknown origin, which causes some people to develop superpowers when exposed to dangerous substances and forces.

Many other formulations were developed in the following decades, generally trying to find the optimum characteristics of a good artillery propellant ; low temperature, high energy, non corrosive, highly stable, cheap, and easy to manufacture in large quantities.

Many women regard their breasts, which are female secondary sex characteristics, as important to their sexual attractiveness, as a sign of femininity that is important to their sense of self.

Many researchers are interested in the interaction between personal characteristics, the individual's behavior, and environmental factors including social context, and their impact on development ; others take a more narrowly-focused approach.

Many of them exhibit the behaviors and characteristics which are stereotypical to a " swashbuckler ".

Many objections to non-cognitivism based on the linguistic characteristics of what purport to be moral judgments were originally raised by Peter Glassen in " The Cognitivity of Moral Judgments ", published in Mind in January 1959, and in Glassen's follow-up article in the January 1963 issue of the same journal.

Many subspecies and strains of oregano have been developed by humans over centuries for their unique flavors or other characteristics.

Many argue that these are not themselves alive in the traditional sense, but these structures exhibit many of the characteristics of cells accepted as living cells:

Many members of other rodent genera and families are also referred to as rats, and share many characteristics with true rats.

Many secondary characteristics of this genre are similar to the film noir, but it distinguishes itself for being characterized by a female that dominates the relationship with the male central character, whose masculinity is challenged.

; The machine itself: Many of the choices about which optimizations can and should be done depend on the characteristics of the target machine.

Many characteristics of the later Storyteller system developed by White Wolf can be traced to Ars Magica and the fact that the Storyteller system was developed by one of Ars Magica < nowiki >'</ nowiki > s co-authors ; White Wolf's Mage: The Ascension was envisioned as " Ars Magica in the Modern World ," and many of the changes in Ars Magicas 3rd edition were introduced in order to make the game-worlds more compatible.

Many early-diverging dicot groups have " monocot " characteristics such as scattered vascular bundles, trimerous flowers, and non-tricolpate pollen.

Many ants share some characteristics that ease their preamble, institution, and subsequent range expansion.

Many professionals in this discipline attempt to find general rules that apply to all natural languages in the context of historical linguistics, how characteristics of sentence structure in related languages changed over time.

Many jurisdictions that restrict pit bulls, including Ontario, Canada, Miami, Florida, U. S., Denver, Colorado, U. S .,, and Malden, Massachusetts, U. S. apply the restriction to the modern American Pit Bull Terrier, American Staffordshire Terrier, Staffordshire Bull Terrier, or any other dog that has the substantial physical characteristics and appearance of those breeds.

Many epidemics will have characteristics of both common source and propagated outbreaks.

Many of the political and other public figures who are lampooned gain in-joke characteristics, which often build into plot strands of their own.

Many of Tokyo's special governmental characteristics disappeared during this time, and the wards took on an increasingly municipal status in the decades following the surrender.

Many lack the characteristics, metre and ' poetic tag ' associated with the work of the historical Taliesin.

Many supervillains share some typical characteristics of real world dictators, mobsters, and terrorists and often have aspirations of world domination or universal leadership.

Many of Blofeld's characteristics have become clichés of supervillains in popular fiction, representing the stock character of the evil genius.

Many of these characteristics have been previously identified on flamingos, but not on grebes.

Many variables can influence the colour intensity and every protein has its own staining characteristics ; clean glassware, pure reagents and water of highest purity are the key points to successful staining.

Many larger forms incorporate binary structures, and many more complicated forms ( such as sonata forms ) share certain characteristics with binary form.