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two forms of the trait are both equally dominant apex
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When two or more sets of alleles affect the same trait in an additive fashion the trait is termed?
Yes, a single gene can affect many traits. this is called plieotropy
An organism with two different alleles for a single trait is said to be heterozygous?
A heterozygous is a hybrid of genes. It has a dominant and recessive gene. The dominant gene covers over the recessive trait, making the individual have the dominant trait. (trait are alleles...) or apex ans:two
A single gene trait that has two alleles and that shows a simple dominant recessive pattern will result in?
A 3:1 phenotypic ratio (Mendelian inheritance).
Why is it that a person with an allele for a particular trait may not have a phenotype that shows the trait?
a dominant allele will express its trait , as well as be carried by the person. the word carrier is commonly used for a person who bears an allele which does not express itself(i.e. a recessive gene).
State the conclusions reached by mendel in his work on the inheritance of characteristics?
- Some "alleles" (hereditary traits) are dominant, and others are recessive. - If a pure dominant trait is bred with a recessive trait, their offspring will show 75% presence of the dominant trait, and 25% presence of the recessive trait in the F1 (first filial) generation. - If a plant with a dominant trait from the F1 generation (carrier, heterozygous dominant) is bred with a plant that shows a recessive trait, their offspring will display at 50/50 probability of dominance versus recessiveness. Thus, alleles expressing a particular trait via dominance/recessiveness, in the case of the pea plants, take the form of two alleles that combine to express a particular version. This later has been shown to be homozygous dominance/recessiveness, or heterozygous dominance.
What is a co dominate trait?
A codominant trait is when two different alleles for a gene are both expressed in the phenotype of a heterozygous individual. This results in a distinct phenotype that shows features of both alleles. An example is the AB blood type in humans, where both the A and B alleles are expressed.
The allele for the sickle cell trait is what with the normal allele?
The allele for the sickle cell trait is codominant with the normal allele. This means that in individuals with both alleles present, both traits are expressed.
When two or more sets of alleles affect the same trait in an additive fashion the trait is termed?
Yes, a single gene can affect many traits. this is called plieotropy
What trait is neither dominant or recessive?
Codominant.
Is sickle cell anemia considered a codominant trait in genetic inheritance?
Yes, sickle cell anemia is considered a codominant trait in genetic inheritance.
What happens when alleles for a trait are codominance?
Codominant allele means both the alleles are strong (not recessive small case alphabets are for recessive) so it will give both features the alleles physical appearance (Phenotype) Eg Red flower allele R and White flower allele W will produce Pink flower as both Capital letter R and capital letter W denote both as dominant.
What allele for the sickle cell trait is with the normal allele?
codominant
What is the allele for sickle cell trait with the normal allele?
codominant
A trait controlled by four alleles is said to have?
A trait controlled by four alleles is said to have multiple alleles.
What is the difference between a gene allele Chromosome and trait?
Alleles are alternate versions of genes that code for certain phenotypes, or traits. The traits of an individual are a result of the interaction between their genotype (alleles) and the environment.
In some flowers there are two alleles for color and these can both be expressed equally at the same time Which best describes this trait?
This trait is known as co-dominance, where two alleles for a particular gene are both fully expressed in the phenotype. In this case, both colors are visibly present in the flower, rather than blending to create a new color.
What is codominant genotype?
When two alleles are codominant, that means that they are expressed simultaneously in different parts. For example, if a red and white flower were crossed, and the resulting flower had some red petals and some white petals that would be codominance. Another example is when animals have stripes and spots. Not to be confused in incomplete dominance, which is when two alleles are expressed simultaneously in the same part of the organism (in the flower example all the petals would be pink).
