BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
12th Edition
ISBN: 9781264058167
Author: Raven
Publisher: MCG CUSTOM
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 12, Problem 2U
The F1 generation of the monohybrid cross purple (PP) × white (pp) flower pea plants should
a. all have white flowers.
b. all have a light purple or blended appearance.
c. all have purple flowers.
d. have ¾ purple flowers, and ¼ white flowers.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
In plant, tall plant (T) is dominant to dwarf plant (t) and axial flowers (A) is
dominant to terminal flowers (a). A tall plant with axial flowers (TtAa) is
crossed with dwarf plant with terminal flowers (ttaa). What percentage of the
offspring will be tall with teminal flowers?
A. 12.5%
B. 100%
C. 50%
D. 25%
A cross is made between a green four-o’clock plant and a variegated one. If the variegated plant provides the pollen, the expected outcome of the phenotypes of the offspring will bea. all plants with green leaves.b. 3 plants with green leaves to 1 plant with variegated leaves.
c. 3 plants with green leaves to 1 plant with white leaves.d. some plants with green leaves, some with variegatedleaves, and some with white leaves
Let P = purple flowers and p = white, and T = tall plants and t = dwarf. What are the genotypes of the gametes that are
produced by a plant that is heterozygous for both traits? hint* This is a dihybrid self cross of an F1 heterozygous
generation.
O Tt, TT, tt, Pp, PP, and pp
P, p, T, and t
PT, Pt, pT, and pt
PT and pt
Chapter 12 Solutions
BIOLOGY(LL)-W/ACCESS CODE >CUSTOM<
Ch. 12.1 - Prob. 1LOCh. 12.1 - Explain the advantages of Mendels experimental...Ch. 12.2 - Evaluate the outcome of a monohybrid cross.Ch. 12.2 - Explain Mendels Principle of Segregation.Ch. 12.2 - Compare the segregation of alleles with the...Ch. 12.3 - Evaluate the outcome of a dihybrid cross.Ch. 12.3 - Explain Mendels Principle of Independent...Ch. 12.3 - Compare the segregation of alleles for different...Ch. 12.4 - Prob. 1LOCh. 12.4 - Prob. 2LO
Ch. 12.5 - Interpret data from testcrosses to infer unknown...Ch. 12.6 - Describe how assumptions in Mendels model result...Ch. 12.6 - Prob. 2LOCh. 12.6 - Explain the genetic basis for observed alterations...Ch. 12 - Inquiry question What confounding problems could...Ch. 12 - Prob. 2IQCh. 12 - Prob. 1DACh. 12 - Prob. 2DACh. 12 - Prob. 3DACh. 12 - What property distinguished Mendels investigation...Ch. 12 - The F1 generation of the monohybrid cross purple...Ch. 12 - The F1 plants from the previous question are...Ch. 12 - In a cross of Aa Bb cc X Aa Bb Cc, what is the...Ch. 12 - An organisms __________ is/are determined by its...Ch. 12 - Phenotypes like height in humans, which show a...Ch. 12 - Japanese four oclocks that are red and tall are...Ch. 12 - If the two genes in the previous question showed...Ch. 12 - What is the probability of obtaining an individual...Ch. 12 - Prob. 4ACh. 12 - Prob. 5ACh. 12 - Mendels model assumes that each trait is...Ch. 12 - z1. Create a Punnett square for the following...Ch. 12 - Explain how the events of meiosis can explain both...Ch. 12 - Prob. 3SCh. 12 - In mammals, a variety of genes affect coat color....
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- vallross between true-breeding green-podded pea plants and true-breeding yellow-podded pea plants produces only green-podded plants. When the F1 generation is allowed to self- pollinate, the F2 generation consists of a. only green-podded plants. b. only yellow-podded plants. C. about % yellow-podded plants and 4 green-podded plants. d. about % green-podded plants and 4 yellow-podded plants. 3. The appearance of an organism is its a. genotype. b. phenotype. c. genotypic ratio. d. phenotypic ratio. 4. Since the ABO blood group alleles are codominant, an individual with the genotype I^1B will have blood type a. A. b. B. C. AB. d. O. 5. Which of these pertains to Mendel's law of independent assortment? a. observable characteristics of a trait b. separation of alleles during meiosis C. random distribution of alleles d. protein production of segregation? 6. Which statement pertains to Mendel's a. Homozygous organisms are called hybrids. b. Two alleles for each trait separate during meiosis.…arrow_forwardConsider a plant that has the "Leaf" gene (L) that causes leaves to be either smooth or wrinkled and is inherited through complete dominance. Heterozygotes of the L gene are smooth. A. What are the two alleles of the gene? B. What is the recessive phenotype? C. What is the genotype of a homozygous dominant individual? D. What gametes can a heterozygous individual make? E. Make a Punnett square to predict the percentage or fraction of recessive progeny when two heterozygous individuals are mated. WHOITICS0OTAarrow_forward. In corn, the allele s causes sugary endosperm, whereas Scauses starchy. What endosperm genotypes result fromeach of the following crosses?a. s/s female × S/S maleb. S/S female × s/s malec. S/s female × S/s malearrow_forward
- Examine the Punnett square showing the inheritance of flower color in plants. R. RR Rr RR Rr If (R) represents the dominant color red, and (r) represents the recessive color white, what is the possibility that the two plants will have white offspring? O 0% O 50% O 75% O 100% hparrow_forwardIn pumpkins, the discoid fruit shape (D) is dominant to the spherical shape (d) and the white color of the shell (B) is dominant to green (b). Suppose the following cross is made: DDBBxddbb...to. If in an F2 320 pumpkins are obtained, how many of them are expected to be...Yo. white-discordant.ii. white-spherical.iii. green-discoidiv. green-spherical.b. If you cross a BbDd plant with a double recessive one and you get 100 pumpkinsWhat proportions do you expect to obtain from each of the following phenotypes?1. white-discordant.2. white-spherical3. green-discoids4. green-sphericalc. Based on your answer, are the genes involved in fruit color and shape linked or independent? Because?arrow_forwardT = Tall t = short pollen from a tall pea plant T T eggs from a tall pea plant T TT TT t Tt Tt In the square shown, which of the following is true about the offspring resulting from the cross? Multiple Choice a. Half are expected to be short. b. All are expected to be tall. c. All are expected to be short. d. All are expected to be of medium height.arrow_forward
- In peas, tall is dominant over dwarf. If a plant homozygous for tall is crossed with one homozygous for dwarf : a. What will be the genotype(s) (use the initial of your last name) and phenotype (s) of the F1 plants? b. If the F1 is grown the next season, predict the possible genotypes and phenotypes. c. If you cross the F1 to the tall parent, what phenotype will result of the cross? What will be the ratio of the genotype? d. If you cross the F1 to the short parent, what phenotype will result of the cross? What will be the ratio of the genotype?arrow_forwarda. State a hypothesis explaining the inheritance of flower color in painted tongues. b. Assign genotypes to the parents, F₁ progeny, and F2 progeny for all five crosses. c. In a cross between true-breeding yellow and true-breeding lavender plants, all of the F1 progeny are bronze. If you used F₁ plants to produce and F2 generation, what phenotypes in what ratios would you expect? Are there any genotypes that might produce a phenotype that you cannot predict from earlier experiments, and if so, how might this alter the phenotypic ratios among the F2 progeny?arrow_forwardA pink-flowered four-o’clock is crossed to a red-flowered plant.What is the expected outcome for the offspring's phenotypes?a. All pinkb. All redc. 1 red : 2 pink : 1 whited. 1 red : 1 pinkarrow_forward
- In Corn, Male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of corn plants(i.e. the tassol) unable to produce fertile pollen; the female parts. However, remain receptive to pollination by pollen from male fertile corn plants, however the presence of a nuclear fertility restore gene F restores fertility to make sterile lines. b. Explain the phenotype of the offspring.arrow_forwardOn pea plants, the location of flower growth is an inheritable trait. Axial flower position (A) is dominant over the recessive trait of terminal flower position (a). In the parental generation, a homozygous dominant axial flower position pea plant is crossed with a terminal flower position pea plant. 1. Draw a digital Punnett square of the F1 offspring producing the F2 offspring. 2. In the F2 generation, what is the probability one plant will have a terminal flower position? 3. In the F2 generation, what is the probability two plants will have axial flower positions? Show all work digitally.arrow_forwardIn a flower, Letter P for purple is dominant over p for white. What is the phenotype of a heterozygote flower? A. PPP B. Purple C. Pp D. whitearrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Concepts of BiologyBiologyISBN:9781938168116Author:Samantha Fowler, Rebecca Roush, James WisePublisher:OpenStax College
Concepts of Biology
Biology
ISBN:9781938168116
Author:Samantha Fowler, Rebecca Roush, James Wise
Publisher:OpenStax College
Genetic Variation and Mutation | 9-1 GCSE Science Biology | OCR, AQA, Edexcel; Author: SnapRevise;https://www.youtube.com/watch?v=bLP8udGGfHU;License: Standard YouTube License, CC-BY