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How dominant or recessive alleles for the trait of stem height determine whether a pea plant will be tall or short?
The dominant trait for height in a pea plant is tall (TT or Tt). The only instance in which a pea plant will be short is if it carries both recessive alleles (tt).
What is the meaning for Alleles tt?
In genetics, "tt" represents a homozygous recessive genotype for a specific trait, where both alleles for that trait are recessive. This means that the individual will express the recessive phenotype associated with that trait, as there are no dominant alleles present to mask the effect. For example, if "t" represents a trait for short height in plants, a plant with the genotype "tt" would be short.
Is a trait for tallness in pea plants. The trait for shortness is. In a case of simple dominance what is the height of a plant with the genotype?
In pea plants, the trait for tallness is typically dominant, while the trait for shortness is recessive. In a case of simple dominance, a plant with a genotype that includes at least one dominant allele for tallness (e.g., TT or Tt) will be tall. Conversely, only a plant with the homozygous recessive genotype (tt) will be short. Thus, a plant with the genotype TT or Tt will be tall.
What are the genotypes of the short plants in P1 and F2 Generations?
Because the shot gene in the pea plant is a recessive trait, there is only one possible genotype for it: tt
If parent one Tt crosses with parent 2 tt what percentage of Offspring will display the recessive trait?
In a cross between parent one (Tt) and parent two (tt), the possible offspring genotypes are Tt and tt. This results in a 50% chance for Tt (dominant trait) and a 50% chance for tt (recessive trait). Therefore, 50% of the offspring will display the recessive trait.
Tall is dominate over short The genotype of a short plant is what?
Tall = T short = t Tall plants genotype would either be TT or Tt, and short plants genotype would be tt.
What are the genotypes of a dominant tall pea plant to short pea plants?
Really, there is no set letter for any allele. It is common, however, to use the first letter of the dominant allele. Since tall height is dominant over short height in pea plants, then the allele for short would be the t (a lowercase t).
What are the possible offspring outcomes of parents 1 Tt crosses with parent 2 tt?
When a parent with genotype Tt (heterozygous) crosses with a parent with genotype tt (homozygous recessive), the possible offspring outcomes are determined by a Punnett square. The potential genotypes of the offspring are Tt and tt. This means there is a 50% chance of producing Tt (dominant trait) and a 50% chance of producing tt (recessive trait). Therefore, the phenotypic ratio would be 50% showing the dominant trait and 50% showing the recessive trait.
If Parent 1 Tt crosses with Parent 2 tt what percentage will display the recessive trait?
In a cross between Parent 1 (Tt) and Parent 2 (tt), the possible genotypes of the offspring are Tt and tt. The Tt offspring will be heterozygous and display the dominant trait, while the tt offspring will be homozygous recessive and display the recessive trait. There is a 50% chance (2 out of 4 possibilities) that the offspring will be tt and show the recessive trait. Therefore, 50% of the offspring will display the recessive trait.
T is genetic trait for tallness and its allele t is recessive for tallness and their are four children with alleles TT tT Tt tt how many will be tall?
OK first, you don't say tT. The dominant allele is always put first. So this would actually be TT Tt Tt and tt. The only way a recessive trait will show is if the dominant trait isn't present. Therefore 3 will be tall and one will be short. BTW: TT isn't an example of an allele. It's actually the genotype. T is an example of an allele. Tallness is a genetic trait, but T is not. A genetic trait is simply a title that includes whatever phenotype may become apparent. A phenotype is the trait that shows up. If a person's genotype is TT or Tt, their phenotype will be tall. If a person's genotype is tt, then their phenotype will be short.
What does a capital letter such as represent in a Punnett square?
Capital letters on Punnett Squares represent dominant genes, while lowercase letters represent recessive genes. For example, if the trait "T" is a tall gene and the trait "t" is a short gene. When you get your results (if both parents are heterozygous for tallness, Tt) you get four possible results, 1 TT (homozygous tall), 2 Tt (twice, heterozygous tall Tt), and 1 tt (homozygous short). If there is a dominant gene there, that gene will be displayed. Only if there are two recessive genes will the recessive trait be displayed.
What does a capital letter T represent in a punnett square?
Capital letters on Punnett Squares represent dominant genes, while lowercase letters represent recessive genes. For example, if the trait "T" is a tall gene and the trait "t" is a short gene. When you get your results (if both parents are heterozygous for tallness, Tt) you get four possible results, 1 TT (homozygous tall), 2 Tt (twice, heterozygous tall Tt), and 1 tt (homozygous short). If there is a dominant gene there, that gene will be displayed. Only if there are two recessive genes will the recessive trait be displayed.
