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All Ww offspring refer to the genetic outcome of a cross between two organisms where one is homozygous dominant (WW) and the other is heterozygous (Ww) for a particular trait. In this scenario, the possible genotypes of the offspring would be either WW or Ww. Thus, all offspring would display the dominant trait associated with the W allele, but 50% would be homozygous (WW) and 50% heterozygous (Ww). Therefore, all offspring would express the dominant phenotype, but their genotypes would vary.
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In dragons wings are a dominant trait but some dragons are born wingless. If a wingless dragon is crossed with one that is heterozygous what percentage of its offspring will also be wingless?
If winged dragons are represented by the dominant allele (W) and wingless dragons by the recessive allele (w), a heterozygous dragon would have the genotype Ww. When a wingless dragon (ww) is crossed with a heterozygous dragon (Ww), the possible genotypes of the offspring are WW, Ww, and ww. This results in a 50% chance of offspring being wingless (ww).
Which parent combinations yield only white offspring?
To yield only white offspring, both parent organisms must carry the alleles for white coloration. In genetics, if white is a dominant trait, then a combination of two homozygous white parents (WW x WW) or a homozygous white parent (WW) with a heterozygous parent (Ww) will produce only white offspring. If white is a recessive trait, only two homozygous recessive parents (ww x ww) will produce exclusively white offspring.
When doing a genetic cross why is it necessary to remove the parent flies before the pupae have hatched?
Usually, the parent flies will have a different genotype to the F1 generation (their offspring). For example, if the parents had WW (black eyes) and ww (white eyes), their offspring would all have Ww (black eyes). If you were experimenting further, you would want the F1 generation to cross - with Ww X Ww. If you did not remove the parental generation, you could have crosses between them and the F1 generation, which would result in different genotypes. If the parents were not removed, you could have the following crosses: Ww X WW Ww X ww WW X ww Ww X Ww The only cross that you would desire in the experiment would be F1 X F1 (Ww X Ww), which would give you the desired genotypes for the F2 generation.
In flies long wings are a dominant trait and short wings are a recessive trait. If a heterozygous long-winged fly is crossed with a short-winged fly what is the LIKELIHOOD that the offspring will cont?
When a heterozygous long-winged fly (LW) is crossed with a short-winged fly (ww), the possible genotypes of the offspring are LW and ww. This results in a 50% chance of producing long-winged offspring (LW) and a 50% chance of producing short-winged offspring (ww). Therefore, there is a 50% likelihood that the offspring will have long wings.
In fruit flies straight wings are dominant and curly wings are recessive. What will the generations look like?
If we cross a homozygous dominant fruit fly with straight wings (WW) and a homozygous recessive fruit fly with curly wings (ww), all offspring in the first generation (F1) will be heterozygous (Ww) and exhibit straight wings. If we then cross two F1 flies (Ww x Ww), the second generation (F2) will show a phenotypic ratio of 3 straight-winged flies to 1 curly-winged fly, resulting in about 75% straight wings and 25% curly wings.
Suppose you have two mice one black one white the genotype for the black mouse is WW and the genotype for the white mouse is ww What would the punnet square look like?
It would look like this. --¦ W W -------------- w¦ Ww Ww w¦ Ww Ww All the offspring would be black-furred, all carrying one dominant gene and one recessive.
In a certain cat long whiskers (W) are dominant and short whiskers (w) are recessive. Two cats have genotypes Ww and ww. If they have an offspring with short whiskers what is the genotype of their off?
ww
In dragons wings are a dominant trait but some dragons are born wingless. If a wingless dragon is crossed with one that is heterozygous what percentage of its offspring will also be wingless?
If winged dragons are represented by the dominant allele (W) and wingless dragons by the recessive allele (w), a heterozygous dragon would have the genotype Ww. When a wingless dragon (ww) is crossed with a heterozygous dragon (Ww), the possible genotypes of the offspring are WW, Ww, and ww. This results in a 50% chance of offspring being wingless (ww).
Which parent combinations yield only white offspring?
To yield only white offspring, both parent organisms must carry the alleles for white coloration. In genetics, if white is a dominant trait, then a combination of two homozygous white parents (WW x WW) or a homozygous white parent (WW) with a heterozygous parent (Ww) will produce only white offspring. If white is a recessive trait, only two homozygous recessive parents (ww x ww) will produce exclusively white offspring.
When doing a genetic cross why is it necessary to remove the parent flies before the pupae have hatched?
Usually, the parent flies will have a different genotype to the F1 generation (their offspring). For example, if the parents had WW (black eyes) and ww (white eyes), their offspring would all have Ww (black eyes). If you were experimenting further, you would want the F1 generation to cross - with Ww X Ww. If you did not remove the parental generation, you could have crosses between them and the F1 generation, which would result in different genotypes. If the parents were not removed, you could have the following crosses: Ww X WW Ww X ww WW X ww Ww X Ww The only cross that you would desire in the experiment would be F1 X F1 (Ww X Ww), which would give you the desired genotypes for the F2 generation.
In flies long wings are a dominant trait and short wings are a recessive trait. If a heterozygous long-winged fly is crossed with a short-winged fly what is the LIKELIHOOD that the offspring will cont?
When a heterozygous long-winged fly (LW) is crossed with a short-winged fly (ww), the possible genotypes of the offspring are LW and ww. This results in a 50% chance of producing long-winged offspring (LW) and a 50% chance of producing short-winged offspring (ww). Therefore, there is a 50% likelihood that the offspring will have long wings.
What does a cross of a wavy haired person with a wavy haired person look like on a Punnet square?
When crossing two wavy-haired individuals, represented by the alleles W (wavy) and w (straight), a Punnett square would show the possible genotypes of their offspring. The potential combinations would be WW (wavy), Ww (wavy), and ww (straight). Specifically, the Punnett square would yield a 1:2:1 ratio, with 75% of the offspring expected to have wavy hair (either WW or Ww) and 25% with straight hair (ww).
Describe the offspring of a true breeding white flowering plant?
The offspring of a true breeding white flowering plant will also display white flowers because it carries two copies of the white flower gene. These offspring will be homozygous for the white flower trait and will consistently produce white flowers when they reproduce.
How many of those offspring would you expect to have white?
1000
What is the possible phenotype do a white rabbit and a black rabbit?
The possible phenotypes of offspring from a white rabbit and a black rabbit depend on their genotypes. If the white rabbit is homozygous recessive (ww) and the black rabbit is homozygous dominant (BB), the offspring will all be black (Bb). If the black rabbit is heterozygous (Bb), the offspring could be either black (Bb) or white (ww) in a 3:1 ratio. The specific coat color will depend on the genetic makeup of the parents.
Tthe probability that two heterozygous parents for widow's peak will have a child with a straight hairline is what percent?
In genetics, widow's peak is typically represented as a dominant trait (W), while a straight hairline is recessive (w). If both parents are heterozygous (Ww), their offspring can be represented by a Punnett square, which shows the possible genotypes: WW, Ww, Ww, and ww. Only the ww genotype results in a straight hairline, which occurs in 1 out of 4 possibilities. Therefore, the probability that two heterozygous parents will have a child with a straight hairline is 25%.
In fruit flies straight wings are dominant and curly wings are recessive. What will the generations look like?
If we cross a homozygous dominant fruit fly with straight wings (WW) and a homozygous recessive fruit fly with curly wings (ww), all offspring in the first generation (F1) will be heterozygous (Ww) and exhibit straight wings. If we then cross two F1 flies (Ww x Ww), the second generation (F2) will show a phenotypic ratio of 3 straight-winged flies to 1 curly-winged fly, resulting in about 75% straight wings and 25% curly wings.
