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An allele can effect the phenotype of an organism by its dominance or recessiveness. If two dominant alleles are crossed the offsprings will carry the dominant trait of the alleles. If a dominant allele is crossed with recessive allele the phenotype of the offsprings will be of that of the dominant allele. And if two recessive alleles are crossed the phenotype of their offsprings will carry the reccesive trait.

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12y ago
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Phenotype is the physical appearance of something, for example red flowers or white fur. Dominant and recessive traits do affect phenotype. Based on the trait that shows, the outcome of the phenotype of the organism varies. For example, R, being the dominant allele for red plants, and r, being the recessive for white plants. If the genes are "RR" or "Rr" then the plant turns out red. If it inherits recessive alleles, then it turns out white, which is the recessive trait. So, based on the dominance and the recessiveness, the phenotype is affected.

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In codominance, in which an organism is heterozygous for a trait, both phenotypes are expressed equally because both alleles are dominant. An example is a tortoise shell cat. Tortoise shell cats have both black and orange fur because they have both a dominant black allele and a dominant orange allele for coat color. The black fur is expressed by the allele for black fur and the orange fur is expressed by the allele for orange fur.

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Q: How do dominant and recessive alleles affect pheno type?
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What is the role of DNA in the tranmission of traits?

DNA contains all your genes (make up DNA) and physical traits. Phenotypes an Genotypes etc. pheno being physical so blue eyes or brown hair. Geno being the type of gene and if its recessive or not. Parts of DNA and genes are given when sperm meets egg and both have recessive and dominant types of gene.


Are blue eyes phenotype or genotype?

The inhereted genetics are the genotypes. The phenotypes are the physical appearance. It's the phenotype. Remeber it by this: Pheno sounds like physical; physical appearance. Geno sounds like gene. That is what you have in your genes. But remember this: No matter what, if you have a dominant trait in all four squares in your punnent square you do, they will have that trait but still be carrying that recessive trait. If they don't have the dominant trait, they will only show the recessive trait. I don't know much about the incomplete dominance thing at all. Hope this helped! P.S. I'm only in 7th Grade!


What is the differences between a geno and pheno type?

Phenotype- What Your DNA Looks Like ON THE OUTSIDE. Genotype- Your Actual DNA, Such As Aa, Or oo.


What are the genetic dangers of inbreeding?

When two closely related individuals reproduce, there is more chance of their recessive genes combining and being shown into the individual's pheno type. When the two individuals are not so much related, their recessive genes will cancel out by their dominant genes. thus the offspring will have all the dominant genes which are very likely to be health. But in case of breeding between closely related individuals, they will have higher possibilites of carrying very similar genes. And in this case, the similar genes might be bad on the phenotype. And most cases, the recessive genes that were not apparent in the parent generation will phenotypize by combining due to these inbreeding. thus there are more chance that the offspring will come up with two recessive allelles that are defective and cause some kind of an illness or deformity.


What is the difference between phenotypes and genotypes?

Genotype are the unseen differences in genetic combinations of an individual. Phenotypes are the expressed and seen differences of an individual.A genotype is the genetic makeup of an organism with reference to a single trait, set of traits, or an entire complex of trait; that is, genotype is the type of genes you have. A phenotype is the physical characteristic of an organism. So the genotype decides the genetics and inherited traits of an organism, but phenotypes refer to the actual display of these traits. Genotypes are decided by inherited genes, while phenotypes are determined by the effect of environmental factors as well. The more complex a biological process, the more is the effect of environmental factors on it and therefore the chances of a predominant phenotype.For example, say recessive allele t codes for albinism (a congenital disorder) and dominant allele T is normal. Two individuals have different genotypes: TT and Tt. Because they both have an allele T, neither have albinism; therefore, they have different genotypes but the same phenotype. An individual with a genotype tt would have albinism and would therefore have a different phenotype than the previous two.Another example: Identical twins have the same genes and the same genotype. Every now and then a gene in one of the twins will be expressed differently from the gene in the other twin. They will have different phenotypes. So phenotype is a fancy word used when a gene works one way under certain conditions and a different way under other conditions.An easy way to remember that (from what I've learned from my science teacher) is to think "Pheno" as "Photo", like if you take a picture, you'll only be able to see the outside of somebody; what they look like..In more detail:Take alleles R and r. If R and R display a "complete dominance" relationship, then RR , Rr, and rr are different genotypes, but two are the same phenotype. RR and Rr display the same trait because R is completelycovering up r's trait, but rr will show the recessive trait.EX: A flower with R as a red trait and r as a white trait has the following phenotypes for each genotype:RR: redRr: redrr: whiteAdditional information:If R and r display a "codominance" relationship, then RR, Rr, and rr are different genotypes and phenotypes. RR shows the dominant trait, while rr shows the recessive trait. Rr shows a combination of the two, as if the two were dominating cooperatively.EX: A flower with R as a red trait and r as a white trait has the following phenotypes for each genotype:RR: redRr: red and whiterr: whiteIf R and r display a "incomplete dominance" or "incomplete inheritance" relationship, then RR, Rr, and rr are different genotypes and phenotypes. RR shows the dominant trait, while rr shows the recessive trait. Rr shows when R incompletely dominates r, allowing some of its qualities show. EX: A flower with R as a red trait and r as a white trait has the following phenotypes for each genotype:RR: redRr: pinkrr: white

Related questions

What is the role of DNA in the tranmission of traits?

DNA contains all your genes (make up DNA) and physical traits. Phenotypes an Genotypes etc. pheno being physical so blue eyes or brown hair. Geno being the type of gene and if its recessive or not. Parts of DNA and genes are given when sperm meets egg and both have recessive and dominant types of gene.


What is the meaning of pheno type?

pheno type is the physical make up


What is the root word for phenomenon?

The root word for "phenomenon" is "phainomenon," which comes from the Greek word "phainesthai," meaning "to appear" or "to be seen."


When genetics refer to the physical characteristics of an organism they are talking about its what?

Phenotype. The physical expressed characteristics of an organisms genotype is known as its phenotype. Two organisms may have the same phenotype, but different genotype depending on the dominate or recessive genes present. Just remember physical=pheno.


Are blue eyes phenotype or genotype?

The inhereted genetics are the genotypes. The phenotypes are the physical appearance. It's the phenotype. Remeber it by this: Pheno sounds like physical; physical appearance. Geno sounds like gene. That is what you have in your genes. But remember this: No matter what, if you have a dominant trait in all four squares in your punnent square you do, they will have that trait but still be carrying that recessive trait. If they don't have the dominant trait, they will only show the recessive trait. I don't know much about the incomplete dominance thing at all. Hope this helped! P.S. I'm only in 7th Grade!


What are the best graff krews?

Mct (ozoe pheno tak bezr decoy) koe ( 4bid wiked risk bony page)


What is the differences between a geno and pheno type?

Phenotype- What Your DNA Looks Like ON THE OUTSIDE. Genotype- Your Actual DNA, Such As Aa, Or oo.


What are the genetic dangers of inbreeding?

When two closely related individuals reproduce, there is more chance of their recessive genes combining and being shown into the individual's pheno type. When the two individuals are not so much related, their recessive genes will cancel out by their dominant genes. thus the offspring will have all the dominant genes which are very likely to be health. But in case of breeding between closely related individuals, they will have higher possibilites of carrying very similar genes. And in this case, the similar genes might be bad on the phenotype. And most cases, the recessive genes that were not apparent in the parent generation will phenotypize by combining due to these inbreeding. thus there are more chance that the offspring will come up with two recessive allelles that are defective and cause some kind of an illness or deformity.


Does it make a difference if you use a clear red top tube used for a urinalysis instead of regular red top tube for a pheno barb level?

no


What is the phenotype of a black guinea pig and a white guinea pig?

The phenotype of the black guinea pig is black, and the pheno type of the white guinea pig is white.


What is a 2320 v pill?

it is pheno barbitol. It is habit forming if taken too much. Research before taking if you do not have a prescription....or if you do have one as well now that I think about it.flexeril. (cyclobenzaprene) it's a muscle relaxant


What is cyclopentanohydrophenothracin?

well cyclo refers to bicycles, penta means 5, hydro means water, pheno means external, and thracin is a undiscovered Pokemon. so cyclopentanohydrophenothracin is a water type Pokemon that rides 5 bikes at the same time.