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Alleles are different forms of a gene found on chromosomes on sites called loci
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∙ 13y ago
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An allele that is not expressed in the heterozygous condition is?
If it's not a heterozygous, the alleles would either be two capital letters (TT) or two lowercase letters (tt). This is because the organism has either both two dominant alleles or two recessive alleles.
How does an allele trait in an organism?
An allele causes a trait by either being dominant orrecessive or example, allele A will occur over allele a because it is dominant.
An allele is either large or small?
An allele is not just small....it is microscopic. An allele is a gene of different expressions (dominant and recessive)
An allele is either what or what?
Dominant or recessive
Every allele is a what allele?
No! they are different
Can a AB- mom have a AB- child with a O plus dad?
No to have an AB child the parents must have an A allele in one ine parent and a B in the other so that when they reproduce those two alleles (foumd on the chromosome) can be passed to the offspring and hence the child will be AB blood group. As the father is O (which is a recessive allele) he cannot have either an A or B allele and so the offspring will always have one O allele and either the A or B allele from the mother. The child cannot be AB.
What is homozygous-?
Every gene has a dominant and recessive allele, homozygous is just when a gene has either two dominant alleles or two recessive alleles.
How is a recessive allele from a dominant allele?
its different because adominant allele is in charge
What is the multiple allele system?
A multiple allele system is when there are more than two possible allele pairs for a single locus.
What term describes an individual with two copies of the same allele?
The individual with two of the same allele is "homozygous" for a trait.
Can an organism with a Gg genotype produce gametes with either the dominant or recessive allele in equal amounts?
Yes. Remember that a heterozygote can produce two types of gametes. In this case, the unknown would produce gametes with the dominant allele A or the recessive allele a. The homozygous recessive would still only produce one kind gamete, with the recessive a allele. Therefore, we expect to see only two genotypes in the F1, Aa and aa, in equal proportions.
The weaker of two alleles in a pair that is often masked by the dominant allele?
The recessive allele.
