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What is homozygous and heterozygous genotypes and the notation used to express them?
Homozygous or heterozygous are terms used to describe the genotype of a diploid organism at a locus of the DNA. Homozygous means that the organism has the same two alleles at that locus denoted by AA for dominant alleles or AA for recessive. Heterozygous means that the organism has two different alleles at that locus and is denoted Aa.
What is a plant with two dominant or two recessive alleles said to be?
Heterozygous alleles are used to describe the 'parents' when creating a test cross chart. When completing a test cross there is more than comparing alleles, you are really comparing genetics. Heterozygous YY or yy versus Homozygous Yy, is just the first to consider.
Terms that describe two alleles of the same gene?
It sounds like you are referring to homozygous vs heterozygous. If an organism has two identical alleles of the same gene, it is said to be homozygous. If an organism has two different alleles of the same gene, it is said to be heterozygous.If a homozygous organism has two identical dominantalleles, it is said to be homozygous dominant, while an organism with two identical recessive alleles is said to be homozygous recessive.If this was not what you're asking, please clarify your question on the discussion page so someone can improve this answer.
What is dominant recessive?
There is dominant and there is recessive. There is no dominant recessive. A dominant gene will always be expressed when present, such as in the homozygous dominant genotype (RR), or heterozygous genotype (Rr). A recessive allele is only expressed when the genotype is homozygous recessive (rr).
An individual possessing both kinds of alleles of two different traits is called?
Homozygous is the term used to describe an individual that has two of the same alleles. This term can be used for either dominant or recessive (both BB and bb are homozygous).Therefore you would probably call them a homozygous dominant individual.
What term can describe the genotypes of the p generation?
The term "parental genotypes" can describe the genotypes of the P generation in a genetics experiment. These genotypes serve as the initial individuals crossed to produce offspring with specific traits of interest.
What is homozygous and heterozygous genotypes and the notation used to express them?
Homozygous or heterozygous are terms used to describe the genotype of a diploid organism at a locus of the DNA. Homozygous means that the organism has the same two alleles at that locus denoted by AA for dominant alleles or AA for recessive. Heterozygous means that the organism has two different alleles at that locus and is denoted Aa.
What is a plant with two dominant or two recessive alleles said to be?
Heterozygous alleles are used to describe the 'parents' when creating a test cross chart. When completing a test cross there is more than comparing alleles, you are really comparing genetics. Heterozygous YY or yy versus Homozygous Yy, is just the first to consider.
What is used to describe when a genotype is either both recessive or dominant?
The term used to describe when a genotype consists of either two dominant alleles or two recessive alleles is "homozygous." When an organism has two identical alleles for a trait, it is homozygous dominant (for two dominant alleles) or homozygous recessive (for two recessive alleles). In contrast, if the alleles are different, the organism is referred to as "heterozygous."
Mendel used what term to describe heterozygous pea plants?
He used the term hybrid.
How do you describe homozygous and heterozygous individuals?
Homozygous is a term used to describe an organism that has two of the same alleles for a trait. If a person's alleles for eye color are BB (dominant dominant) or bb (recessive recessive), they are homozygous.
Terms that describe two alleles of the same gene?
It sounds like you are referring to homozygous vs heterozygous. If an organism has two identical alleles of the same gene, it is said to be homozygous. If an organism has two different alleles of the same gene, it is said to be heterozygous.If a homozygous organism has two identical dominantalleles, it is said to be homozygous dominant, while an organism with two identical recessive alleles is said to be homozygous recessive.If this was not what you're asking, please clarify your question on the discussion page so someone can improve this answer.
What heterozygous or homozygous?
Breaking it down:Hetero means different.Homo means same.Zygous refers to how similar two alleles are for a trait in an organism.Use:Heterozygous and homozygous are terms used to describe a cell determined on the status of its alleles for a trait.You would describe a cell as Homozygous when both alleles for a given trait are the same. (Genotype example: YY,yy)You would describe a cell as Heterozygous when both alleles for a given trait are different. (Genotype example: Yy)In use:A green sweet pea: Homozygous or Heterozygous?Taking my knowledge of sweet peas, the color green is recessive in sweet peas while the color yellow is dominant.Using your knowledge on recessive genotypes....(Hint: A pea with a genotype of Yy would be yellow... Bigger hint: To have a recessive trait you would need two alleles from a recessive trait that are the identical; genotype yy)Yep, you got it.A green sweet pea would be Homozygous.Why?Because the color green is a recessive trait in sweet peas. To have a recessive trait shown, the cell would have to have two identical alleles of that recessive trait.And what qualifies a cell as homozygous? When both alleles for a given trait are the same.BINGO!There you go.I hope this helps.~Monique G.9th gradeCA, USA
What is dominant recessive?
There is dominant and there is recessive. There is no dominant recessive. A dominant gene will always be expressed when present, such as in the homozygous dominant genotype (RR), or heterozygous genotype (Rr). A recessive allele is only expressed when the genotype is homozygous recessive (rr).
Example of heterozygous?
homozygous means you have two alleles with the same characteristic. example; two alleles for brown eyes recessive means that when you have two different alleles, one of then doesn't show its trait example; one allele for brown eyes and one allele for green eyes gives brown eyes, because green eyes are recessive people who have green eyes have homozygous recessive alleles for green eyes (two alleles for green eyes)
How would you describe the alleles in a heterozygous genotype?
In a heterozygous genotype, an individual possesses two different alleles for a particular gene, with one being dominant and the other recessive. The dominant allele is expressed in the phenotype, while the recessive allele is not unless two recessive alleles are present.
An individual possessing both kinds of alleles of two different traits is called?
Homozygous is the term used to describe an individual that has two of the same alleles. This term can be used for either dominant or recessive (both BB and bb are homozygous).Therefore you would probably call them a homozygous dominant individual.
