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Genes code for all genetic physical traits, so allele combinations code everything from metabolism rate to pigment coloring. Everything from the shape of your fingernails to whether you're more likely to get Heart disease is an expression of an allele combination.

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14y ago
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7y ago

The organism's genotype is the actual set of alleles present in its genes.

The organism's phenotype is the traits physically observed as a result of having a particular genotype.

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15y ago

This is a nonsense question, although it might appear like you know what you're asking. Get a dictionary out and check the meaning of "allele". If you don't get your answer, come back here.

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10y ago

what are the external pyhsical feature of an organism

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15y ago

pheonotype

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Q: What is the external appearance of an organism by which alleles are present?
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The external appearance of an organism as determined by what alleles are present is?

Phenotype


What type of alleles are present in an organism?

Capital letters usually denote dominant alleles. Therefore QQ genotype would contain two dominant alleles for the Q genotype.


The detectable traits of an organism as determined by what alleles are present is the what?

The physical trait exhibited by an organism's genes is called the phenotype. (As opposed to the genotype, which refers to the alleles themselves.)


What is the outward appearance in inheritance?

The outward appearance is usually called the phenotype. In contrast the alleles present in the cells is called the genotype.


What are dominant alleles?

Is one whose trait always shows up in the organism when the allele is present


When both dominant and recessive alleles are present within a single nucleus the organism is for the trait?

You are supposed to have 2 alleles in a single nucleus and if not there can be a disorder i believe.


Can you see all genetic variation?

No. Genotype is the combination of genes present in an organism. It consists of alleles whose visible characteristics is called phenotype. An organism's phenotype is visible and not the genotype as you just can't see a person and tell what kind of genes are present in the organism.


Is it true that recessive alleles are never present when dominant alleles are present?

No. They are present but not expressed (seen). Only the dominant alleles are expressed.


What type allele are present in an organism with a QQ genotype?

Capital letters usually denote dominant alleles. Therefore QQ genotype would contain two dominant alleles for the Q genotype.


What does hereditary constitution mean?

Hereditary constitution, also known as the genetic constitution isthe particular alleles at specified loci present in an organism.


How do you use homozygous in a sentence?

An organism is homozygous for a particular gene when identical alleles of the gene are present on both homologous chromosomes. (see related link)


When the alleles present for a trait are the same. the genes are called?

When the alleles present for a trait are the same, it is called Homozygous