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Heterozygous

Aa

Homozygous

AA, aa

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βˆ™ 11y ago
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βˆ™ 5mo ago

Heterozygous for the A allele means having one copy of the A allele and one copy of a different allele (e.g., a or B) at a particular gene locus. In genetics, the term heterozygous refers to an individual possessing two different forms (alleles) of a particular gene.

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βˆ™ 10y ago

If you mean the blood type A negative, then the answer is no. The A blood group could be homozygous dominant or heterozygous, but the Rh negative genotype is always homozygous recessive.

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Q: What is the heterozygous for the A allele?
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Related questions

What is a person who has one recessive allele for a trait and one dominant allele for the same trait and is able to pass in the trait on to their offspring?

That is heterozygous. Some scientist call these "hybrids"(no joke)The person is heterozygous for that trait and will have the dominant phenotype.An organism with both a dominant and recessive allele for a specific trait is called an heterozygote. They are heterozygous for this trait.


In a heterozygous IA i person which allele is dominant IA or i?

In a heterozygous IAi person, the IA allele is dominant over the i allele. This means that the phenotype will show the IA allele's trait as it masks the expression of the recessive i allele.


What is it Dominant allele What is a recessive allele?

A genotype in which there are both a dominant and a recessive allele is called heterozygous.


What is called when you have a pair of genes that cnsits of a dominant allele and a recessive allele?

heterozygous


What type of allele masks the expression of the recessive allele and is therefore expressed in the heterozygous?

A dominant allele masks the expression of a recessive allele and is therefore expressed when present in the heterozygous state.


What is a gene pair that consists of a dominent allele and a recessive allele?

Heterozygous dominant pair.


Is an allele that produces a trait in the heterozygous condition recessive?

No, an allele that produces a trait in the heterozygous condition is not recessive. This type of allele is considered dominant because it masks the expression of the recessive allele when present in only one copy.


What is the genotype Rr?

The genotype Rr represents an individual that carries one dominant allele (R) and one recessive allele (r) for a specific trait. This individual is called heterozygous for that trait.


What is an allele that produces a trait in the heterozygous condition called?

An allele that produces a trait in the heterozygous condition is called dominant. This means that only one copy of the allele is needed to express the trait.


The allele for the trait that does not appear in a heterozygous individual is?

recessive


What is the name of the gene pair that consist of a dominant allele and recessive allele?

The name of the gene pair that consists of a dominant and recessive allele, i.e. (Xx) will be a heterozygous allele. In this situation, the characteristics of the dominant characteristic will mask that of the recessive allele. People have have a heterozygous genotype may be carriers for diseases that reside on the recessive allele.


True or False In heterozygous individuals only the recessive allele is expressed?

False. In heterozygous individuals, both the dominant and recessive alleles are present, but only the dominant allele determines the phenotype while the recessive allele remains masked.