In crosses made among four-o'clock plants, red flower color plants are crossed with white flower color plants. All the offspring show a pink flower color. If a pink-flowered plant is crossed with another pink-flowered plant, what will be the phenotypic ratios of their offspring? All pink flowered 3/4 pink flowered, 1/4 red flowered 1/2 red flowered, 1/2 pink flowered 1/2 white flowered, 1/2 pink flowered 1/4 red flowered, 1/4 white flowered, 1/2 pink flowered

In crosses made among four-o'clock plants, red flower color plants are crossed with white flower color plants. All the offspring show a pink flower color. If a pink-flowered plant is crossed with another pink-flowered plant, what will be the phenotypic ratios of their offspring? All pink flowered 3/4 pink flowered, 1/4 red flowered 1/2 red flowered, 1/2 pink flowered 1/2 white flowered, 1/2 pink flowered 1/4 red flowered, 1/4 white flowered, 1/2 pink flowered

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter8: Patterns Of Inheritance

Section: Chapter Questions

Problem 2ACQ: Figure 8.10 In pea plants, purple flowers (P) are dominant to white (p), and yellow peas (Y) are...

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The following pedigree shows the pattern of inheritance of red-green color blindness in a family. Females are shown as circles and males as squares; the squares or circles of individuals affected by the trait are filled in black. What is the chance that a son of the third-generation female indicated by the arrow will be color blind if the father is not color blind? If he is color blind?
In crosses made among four-o'clock plants, red flower color plants are crossed with white flower color plants. All the offspring show a pink flower color. If a pink-flowered plant is crossed with a red-flowered plant, what will be the phenotypic ratios of their offspring? 1/4 red flowered, 1/4 white flowered, 1/2 pink flowered 1/3 red flowered, 2/3 pink flowered 1/2 red flowered, 1/2 pink flowered 3/4 red flowered, 1/4 pink flowered 1/2 white flowered, 1/2 pink flowered
In pea plants, seed shape and seed color are controlled by genes located on different chromosomes. Seeds may be round (R) or wrinkled (r), with the allele for round seeds being dominant. Alleles for seed color are yellow and green, with the green allele (y) recessive to the yellow (Y) allele. If you cross an individual that is homozygous round and yellow with an individual that is homozygous for wrinkled and green, what is the genotype of the F1 individuals? Set up a Punnett square for the dihybrid cross.
Many of the color varieties of summer squash are determined by two different interacting genes A and B: AA or Aa gives white colored squash, aaBB or aaBb gives yellow squash, and aabb produces green squash. A plant producing white squash is self-crossed. Three fourths of the offspring produces white squash; one fourth produces green squash. What is the genotype of the parent plant producing white squash?
In flowers, purple flower color is dominant and denoted by "P" while white flower color is recessive and is denoted by "p". In a monohybrid cross between 2 heterozygous purple flowers, what is the expected phenotypic offspring ratio?
. In pea plants, seed shape and seed color are controlled by genes located on different chromosomes. Seeds may be round (R) or wrinkled (r), with the allele for round seeds being dominant. Alleles for seed color are yellow and green, with the green allele (y) recessive to the yellow (Y) allele. If you cross an individual that is homozygous round and yellow with an individual that is homozygous for wrinkled and green, what is the genotype of the F1 individuals?
Two plants, both heterozygous for the gene that controls flower color are crossed. What percentage of the offspring will have purple flowers? ______What percentage will have white flowers?
In a certain plant, red flowers are dominant over white flowers. A plant heterozygous for red flowers and a plant with white flowers are crossed. Which of the following is the expected proportion of phenotypes in the next generation? o 2 red, 2 white o 4 red, 0 white o 3 red, 1 white o 1 red, 3 white
In incomplete dominance inheritance, a snapdragon plant that is homozygous for red flowers is crossed with a snapdragon plant that is homozygous for white flowers. What is the probability (%) that the offspring will have red flowers?
If body-color B is dominant to green body color b what would the genotype be for a heterozygous individual be? Using the blue B and a green b body color from above create a Punit square that represents the offspring of two heterozygous parents? what is the probability that they will have a child with a green body-color If the child is green what is its genotype? Cross a green parent with a homozygous blue parent. What color will their kids be?
Show the cross between a heterozygous purple flowered pea plant and a white flowered pea plant. What is the genotypic ratio of the above cross? What is the phenotypic ratio of the above cross?
In pea plants, flower color is determined by one gene with two alleles, with the allele coding for purple flowers (P) being dominant to the allele coding for white flowers (p). If two purple-flowered offspring resulting from a cross between homozygous dominant and white-flowered parents are crossed, what percentage of the progeny are expected to have the dominant phenotype?