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What else can I help you with?
Are apterous wings dominant or recessive?
Apterous wings are typically a recessive trait in insects. This means that an individual must inherit two copies of the apterous allele to exhibit the wingless (apterous) phenotype. If an individual has one copy of the apterous allele and one copy of the dominant allele for normal wings, they will have normal wings.
In a population that is not undergoing natural selection for a certain trait what does the phenotype distribution look like?
The distribution will center towards hetrotrophs and thus dominant phenotypes. The distribution approaches all dominant phenotypes
What is the phenotype of bbii x BbIi?
The phenotype of bbii x BbIi would be 1:1:1:1 ratio of offspring with the following phenotypes: black body color and normal wings, black body color and vestigial wings, gray body color and normal wings, gray body color and vestigial wings.
What are some examples of Dominant?
Examples of dominant traits are listed below.First, I've included several definitions to put the answer in context:"Dominant traits" are referenced in the study of genetics, which is a branch of biology that deals with the heredity and variation of organisms.In biology, the basic unit of which all living things are composed is called a cell.A chromosome is the microscopic, threadlike part of a cell that carries hereditary information.A gene is a unit of heredity that occupies a fixed position (locus) on a chromosome.A genetic trait is a physical characteristic brought about by the expression of a gene or many genes.Examples of traits are eye colour and the ability to roll your tounge.Variations in these characteristics are dependent upon the particular alleles (any one of the alternative forms of a given gene that code for slightly different versions of the same trait).Genotype describes the genetic constitution of an individual, i.e. the specific list of alleles.Phenotype describes the total physical appearance of an organism.The genotype/phenotype distinction was proposed by Wilhelm Johannsen in 1911 to make clear the difference beween an organism's heredity and what that heredity produces. The genotype is observed by looking at DNA, the phenotype observed through the outward appearance of the organism. Some genes only express a given phenotype in certain environmental conditions; some phenotypes could be the result of a certain combination of genotypes.When a pair of alleles (one half of each pair comes from each parent) is the same, they are called "homozygous"; when a pair of alleles are not the same, they are called "heterozygous."A "dominance relationship" refers to how the alles for a locus interact to produce a phenotype. In other words, when an organism has a heterozygous allele pair, the trait that is expressed in the phenotype is "dominant."A simple example is the flower colour in pea plants (see Gregor Mendel). There are three available genotypes, PP (homozygous dominant), Pp (heterozygous), and pp (homozygous recessive). All three have different genotypes but the first two have the same phenotype (purple) as distinct from the third (white). This means that when this pair of alleles are different types (one allele for white and one for purple), the pea plant will be purple -- purple is the dominant trait.Here are some common dominant traits in humans:TYPE DOMINANT RECESSIVEeye coloring brown eyes grey, green, hazel, blue eyesvision farsightedness Normal visionnormal vision nearsightedness;night blindnesscolor blindnesshair dark hair blonde, light, red hairnon-red hair red haircurly hair straight hairwidow's peak normal hairlinefull head of hair baldness*facial features dimples no dimplesunattached earlobes attached earlobesfreckles no frecklesbroad lips thin lipsappendages extra digits normal numberfused digits normal digitsshort digits normal digitsfingers lack 1 joint normal jointslimb dwarfing normal proportionclubbed thumb normal thumbdouble-jointedness normal jointsother immunity to poison ivy susceptibility to poison ivynormal pigmented skin albinismnormal blood clotting hemophilia*normal hearing congenital deafnessnormal- no PKU phenylketonuria (PKU)normal hearing and speaking deaf mutismhttp://www.blinn.edu/socialscience/LDThomas/Feldman/Handouts/0203hand.htmExamples of dominant traits Examples of dominant traits are listed below. First, I've included several definitions to put the answer in context: "Dominant traits" are referenced in the study of genetics, which is a branch of biology that deals with the heredity and variation of organisms. In biology, the basic unit of which all living things are composed is called a cell. A chromosome is the microscopic, threadlike part of a cell that carries hereditary information. A gene is a unit of heredity that occupies a fixed position (locus) on a chromosome. A genetic trait is a physical characteristic brought about by the expression of a gene or many genes. Examples of traits are eye colour and the ability to roll your tounge. Variations in these characteristics are dependent upon the particular alleles (any one of the alternative forms of a given gene that code for slightly different versions of the same trait). Genotype describes the genetic constitution of an individual, i.e. the specific list of alleles. Phenotype describes the total physical appearance of an organism. The genotype/phenotype distinction was proposed by Wilhelm Johannsen in 1911 to make clear the difference beween an organism's heredity and what that heredity produces. The genotype is observed by looking at DNA, the phenotype observed through the outward appearance of the organism. Some genes only express a given phenotype in certain environmental conditions; some phenotypes could be the result of a certain combination of genotypes. When a pair of alleles (one half of each pair comes from each parent) is the same, they are called "homozygous"; when a pair of alleles are not the same, they are called "heterozygous." A "dominance relationship" refers to how the alles for a locus interact to produce a phenotype. In other words, when an organism has a heterozygous allele pair, the trait that is expressed in the phenotype is "dominant." A simple example is the flower colour in pea plants (see Gregor Mendel). There are three available genotypes, PP (homozygous dominant), Pp (heterozygous), and pp (homozygous recessive). All three have different genotypes but the first two have the same phenotype (purple) as distinct from the third (white). This means that when this pair of alleles are different types (one allele for white and one for purple), the pea plant will be purple -- purple is the dominant trait. Here are some common dominant traits in humans: TYPE DOMINANT RECESSIVE eye coloring brown eyes grey, green, hazel, blue eyes vision farsightedness Normal vision normal vision nearsightedness; night blindness color blindness hair dark hair blonde, light, red hair non-red hair red hair curly hair straight hair widow's peak normal hairline full head of hair baldness* facial features dimples no dimples unattached earlobes attached earlobes freckles no freckles broad lips thin lips appendages extra digits normal number fused digits normal digits short digits normal digits fingers lack 1 joint normal joints limb dwarfing normal proportion clubbed thumb normal thumb double-jointedness normal joints other immunity to poison ivy susceptibility to poison ivy normal pigmented skin albinism normal blood clotting hemophilia* normal hearing congenital deafness normal- no PKU phenylketonuria (PKU) normal hearing and speaking deaf mutism http://www.blinn.edu/socialscience/LDThomas/Feldman/Handouts/0203hand.htm
Hemophilia is a sex linked recessive disorder Mary does not have the disease but both of her brothers do Neither of her parents have the disease What are Marys parents genotypes indicates pr?
Mary's father is normal and has a normal genotype XY while her mother is the carrier of hemophilia and has one X of her genotype infected i.e. she is X*X.
Are the offspring of parents who are both homozygous dominant for normal red blood cells in danger of getting sickle's anemia?
No, the offspring of parents who are both homozygous dominant for normal red blood cells are not in danger of developing sickle cell anemia. Since both parents carry only the dominant allele for normal red blood cells, all their offspring will also inherit this dominant trait, resulting in no potential for the recessive sickle cell allele to be expressed. Thus, the children will be homozygous dominant as well.
1 in drosophila the allele for normal length wings is dominant over the allele for vestigial wings In populations of 1000 individuals 360 show the recessive phenotype How many individuals would you?
160 homozygous dominant individuals and 480 heterozygous individuals
Are apterous wings dominant or recessive?
Apterous wings are typically a recessive trait in insects. This means that an individual must inherit two copies of the apterous allele to exhibit the wingless (apterous) phenotype. If an individual has one copy of the apterous allele and one copy of the dominant allele for normal wings, they will have normal wings.
In a population that is not undergoing natural selection for a certain trait what does the phenotype distribution look like?
The distribution will center towards hetrotrophs and thus dominant phenotypes. The distribution approaches all dominant phenotypes
Is it true that people who are heterozygous recessive allele but who have a normal phenotype eill not pass the harmful recessive allele to their kids?
It depends on the genotype of the childs other parent. If your partner is heterozygous as well then there is a 25% chance your child will be homozygous recessive. If they are homozygous dominant then none of your children will have the phenotype of the recessive trait. They will just possibly be carriers of the recessive allele.
Why can a person have one copy of the CF allele and be perfectly normal?
CF is recessive, and as such, the gene for non-CF is dominant over this gene. The CF gene will only be expressed in the phenotype and as a characteristic if the person has two of the recessive alleles.
Is it normal for the dominant arm to be bigger than the non-dominant arm?
Yes, it is normal for the dominant arm to be slightly bigger and stronger than the non-dominant arm due to increased use and muscle development.
Is it normal for your dominant arm to be bigger than your non-dominant arm?
Yes, it is normal for your dominant arm to be slightly bigger and stronger than your non-dominant arm due to increased use and muscle development.
What phenotype has the greatest frequency in a trait that follows a normal distribution?
a phenotype with the greatest frequency in a trait is enviromental conditions. (G00D !-U<K)
Are the offspring of parents who are both homozygous dominant for normal red blood cells in danger of getting sickle-cell anamia and why?
No, if both parents are homozygous dominant for normal red blood cells, their offspring will inherit two normal alleles and will not be at risk of developing sickle cell anemia. Sickle cell anemia is a recessive genetic disorder that occurs when an individual inherits two copies of the mutated allele.
What percentage of the possible types of offspring had the same phenotype as the parents?
Hey there. To answer this accurately, i would need to know the genotypes of both parents. I'll show you a trick that works them out in a flash. A phenotype is the result of a genotype, which is the result of 2 alleles. Say if both parents were HOMOZYGOUS for brown hair, with their genotype would be BB, BB. Use a trick called a punnet square to answer this; _|B |B | B|BB|BB| <-- not the best punnet square, but the top row shows the first parents B|BB|BB| genotype (BB) and the side shows the second's. (BB) The cross of this shows all the children will have brown hair, as inherited from each parent. If the Mother had HOMOZYGOUS brown hair (BB), and the father had HETEROZYGOUS brown hair (Bb) the results would be 100% Brown hair too, because the brown hair gene (B) is dominant over the non brown hair gene (b). Below; _|B |B | B|BB|BB| <--- this shows the cross gives a 50% chance to be Homozygous for brown b|Bb|Bb| hair but 50% heterozygous for brown hair, but carrying a non- brown hair gene. If we cross 2 heterozygous parents, the results are shown: _|B |b | B|BB|Bb| b|bB|bb| <----- This shows the child has a 75% chance of having brown hair (either (BB or bB, Bb) and 25% of being non-brown (bb)). This can be used in any gene cross, but you must keep in mind that one gene will be dominant and one will be recessive. I used the brown hair gene as an example here, as I don't know whether it may be dominant or recessive to other hair colours. Also, if you were after a global statistic, I wouldn't know. I hope this helps you. Fletch
What are all the werewolfs names?
Werewolves have normal human names like Mike, Sally, Bill. They are normal people until they are afflicted with the werewolf condition.
