Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Chapter 8, Problem 3ACQ
Figure 8.16 What ratio of offspring would result from a cross between a white-eyed male and a female that is heterozygous for red eye color?
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Figure 8.16 What ratio of offspring would result from a cross between a white-eyed male and a female that is heterozygous for red eye color?
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?
Following the Rule of Non-Mendelian Genetics (Incomplete Dominances), In a genetic cross between one snapdragon flower that is Homozygous (ww) for white petal color and one snapdragon flower that is Hemozygous (WW) for red petal color. What would be the phenotype of the offspring?
(Legend: W = red color; w = white color
Chapter 8 Solutions
Concepts of Biology
Ch. 8 - Figure 8.9 In pea plants, round peas (R) are...Ch. 8 - Figure 8.10 In pea plants, purple flowers (P) are...Ch. 8 - Figure 8.16 What ratio of offspring would result...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - Imagine that you are performing a cross involving...Ch. 8 - The observable traits expressed by an organism are...Ch. 8 - A recessive trait will be observed in individuals...Ch. 8 - What are the types of gametes that can be produced...Ch. 8 - What is the reason for doing a test cross? a. to...Ch. 8 - If black and white true-breeding mice are mated...
Ch. 8 - The ABO blood groups in humans are expressed as...Ch. 8 - In a cross between a homozygous red-eyed female...Ch. 8 - When a population has a gene with four alleles...Ch. 8 - Describe one of the reasons that made the garden...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Use a Punnett square to predict the offspring in a...Ch. 8 - Can a male be a carrier of red-green color...Ch. 8 - Could an individual with blood type O (genotype...
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- In pea plants, tall plants are dominant to short plants. Perform the following cross- 2 heterozygous tall pea plants. What percentage of their offspring will be homozygous? What percentage of their offspring will be tall?arrow_forwardIn currant moths, their Light color is sex-linked and recessive (d) to dark color (D). Question: What are the genotype and the phenotype of the parents if a certain cross yields ½ dark and ½ light colored females and all dark males? Take note that female moths are heterogametic.arrow_forwardIn snapdragon plants, flower color follows an incomplete dominance inheritance pattern. Homozygous dominant plants have red flowers, heterozygotes have pink flowers, and homozygous recessive plants have white flowers. Complete the following cross and identify what percentage of the offspring are each color. Cross- Homozygous dominant by heterozygous plants what % have red flowers what % have pink flowers what % have white flowersarrow_forward
- In cats, S = short hair; s = long hair; XC = black coat; Xc = yellow coat; XCXc = tortoiseshell (calico) coat. If a long-haired yellow male is crossed with a tortoiseshell female homozygous for short hair, what are the expected phenotypic results?arrow_forwardA cross between an orange-brown male and a homozygous black female produce four kittens. What is the phenotypic probability of the offspring? probability of the offspring?arrow_forwardIn pea plants, purple flowers are dominant to white flowers. Perform the following cross- A pea plant pure-breeding for purple flowers with a white-flowered pea plant. What percentage of their offspring will be homozygous? What percentage of their offspring will be purple? What percentage of their offspring will be pure-breeding?arrow_forward
- 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?arrow_forwardThe allele A is brown fur and the allele a is white fur. In a mating between a heterozygous male and a heterozygous female, what is probability that they will have an offspring with brown fur and what is the probability they will have an offspring with white fur?arrow_forwardIn rabbits, black fur (F) is dominant to white fur (f). You decide to cross a rabbit that is homozygous dominant for fur color with a rabbit that is heterozygous for fur color. Set up a Punnett Square for this cross and then answer the following questions. What percentage of offspring will have the [ Choose ] FF phenotype? What percentage of offspring will have the ff [ Choose ] phenotype? What percentage of offspring will have the Ff [ Choose ] phenotype? > > >arrow_forward
- In chickens, rose comb (R) is dominant to single comb (r). What types of offspring would be expected from a white rooster who is heterozygous rose combed who is crossed with a single-combed Andalusian blue hen.arrow_forwardIn jellyfish, let's say that long tentacles are produced by a sex-influenced allele that is dominant in males and recessive in females. Let B1 = long and B2 = short. Which of the following correctly diagrams a cross between a female with long tentacles and a male with short tentacles? O B1B1XX X B1B2XY O B1B2 XX X B1B2 XY O females with long tentacles do not exist, so this cross is impossible O B1B1 XX X B2B2 XY O X(B1) X(B2) x X(B2) Yarrow_forwardIn currant moths, their Light color is sex-linked and recessive (d) to dark color (D). What are the phenotypes and genotypes of the parents if a certain cross yields ½ dark and ½ light colored females and all dark males? Female moths are heterogametic. Show COMPLETE cross.arrow_forward
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