two pea plants are crossed that are heterozygous for the pea size gene with alleles S dominant is large and s recessiveis small. What is the probability that in a pod with 5 peas all peas have the same phenotype (either Large or small).
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two pea plants are crossed that are heterozygous for the pea size gene with alleles S dominant is large and s recessiveis small. What is the probability that in a pod with 5 peas all peas have the same
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- For peas, R means round and it is dominant. r means wrinkled. There are 2 plants that are crossed and they are heterozygous for the round pea trait. they then produce a pod with 3 peas in it. What would be the probability that either 2 or 3 of the peas are Round?If a homozygous tall pea plant is crossed with a homozygous shortpea plant, what are the possible genotype and phenotype of theoffspring? Legend: T- tall pea plant t- short pea plant Genotypes of the parents: TT x tt Question to answer ff: 1. What is the genotypic ratio? 2. What are the possible phenotypes of the offspring? 3. What is the phenotypic ratio?D D 1 2 d In a particular plant, leaf color is controlled by gene locus D. Plants with at least one allele D have dark green leaves, and plants with the homozygous recessive dd genotype have light green leaves. A true-breeding, dark-leaved plant is crossed with a light-leaved one, and the F1 offspring is allowed to self-pollinate. The predicted outcome of the F2 is diagrammed in the Punnett square shown in the figure, where 1, 2, 3, and 4 represent the genotypes corresponding to each box within the square. Which of the boxes marked 1-4 correspond to plants with a heterozygous genotype? O 1 only O 1, 2, and 3 2 and 3 2, 3, and 4 4) 3.
- A pea plant of unknown genotype is test-crossed (one parent is recessive). Of the total progenies, 477 have wrinkled seed and 507 have round seed. What is the genotype of the unknown parent?If a heterozygous F1 Tobacco plant was crossed to an albino plant, what is the expected number of green and white plants in the next generation? (show Punnett square) A woman homozygous dominant for albinism marries a man who is homozygous recessive for albinism. What are the possible genotypes and phenotypes percentages for their offspring? A man that can roll his tongue is heterozygous for the trait marries a woman that cannot roll her tongue. They have a child. The rolling tongue is dominant to not rolling tongue. What is the man’s genotype for tongue rolling? The women? Show the Punnett square for the child’s genotype Give the probability (percent chance) that the child can or cannot roll their tongue. Oh no! The F1 and F2 generation seed packet labels were mixed around. How would we know which seeds we planted by observing the color of the leaves? (Hint: What are the genotypes of the two generations? What color leaves do they produce in what ratios?)In garden pea, resistance to a certain disease is controlled by a single locus with dominance forresistance (R) and recessive susceptible (r). Another locus governs seed color with yellow being dominant (Y)to green (y). A pea plant which is heterozygous for both gene pairs is crossed with a susceptible and green-seeded plant. The following data was observed in the progeny. Phenotype NumberResistant yellow 43Susceptible green 49Resistant green 16Susceptible yellow 12Total 120 a. What is the calculated chi-square value based on an independent assortment assumption? Compute forthe df and write the conclusion. (NOTE: The cross will not yield a 9:3:3:1 ratio since not both of theparental genotypes are heterozygous for the 2 pairs of alleles. Thus, perform the cross first, show theparental genotypes, the gamete…
- f T is tall and t is short, what are the odds of getting offspring that are tall from a cross involving Tt and tt individuals? Assume complete dominance.Two pea plants heterozygous for pod color and pod shape characters are crossed. Draw the punnet square to determine the genotypic and phenotypic ratios of the offspring.In peas, round seeds are dominated to wrinkled seeds. A heterozygous round seeded plant is crossed with a wrinkled seeded plant. What are the genotypic and phenotypic ratios of the F1 generation? Show your Punnett square. What percentage of their offspring can be expected to have round seeds?
- In certain plants, tall (T) is dominant to short (t). If a heterozygous plant is crossed with a homozygous short plant, what is the probability that the offspring will be short? Show the punnett square please.A heterozygous pea plant of both traits is crossed with a recessive pea plant of both traits. What is the probability that the offspring will be tall and yellow?In radishes, color and shape are each controlled by a single locus with two incompletely dominant alleles. Color may be Red (RR), purple (Rr). or white (rr) and shape can be long (LL) oval (L l) or round (l l). In a cross between two plants with purple and oval radishes, what proportion of the offspring would be expected to show purple and oval radishes? 1/8 0 1/4 1/16 3/16