Biology: Concepts and Investigations
5th Edition
ISBN: 9781260259049
Author: Hoefnagels
Publisher: MCG
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Chapter 10, Problem 1PIT
Summary Introduction
To explain:
“The connections between alleles,
Concept introduction:
The DNA act as genetic material which carry information that passes to the next generation. The DNA includes genes and every gene contain a pair of alleles. These alleles are present in two different forms in an individual. This results in the genetic variation within the population.
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Students have asked these similar questions
_3. It is a Non-Mendelian pattern of inheritance that occurs when two
dominant alleles of a contrasting pair fully expressed at the same time in the
heterozygous individual.
_4. It is a Non-Mendelian pattern of inheritance that occurs when the
phenotype of the offspring is somewhere in between the phenotypes of both
parents.
5. It is when more than 2 alleles control the inheritance of a
character.
7. A cross between a red-flowered plant and a blue-flowered plant results in a
Identify the type of non-Mendelian genetics described. Write A on the blank if the
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1. It is also known as blended inheritance because neither of the genes is able
to mask the other.
a
2. The offspring has both alleles and both are equally dominant.
3. The genes contain three or more alleles.
4. A cross between a red-flowered plant and a blue-flowered plant results
violet-flowered plant.
5. More than two alleles can code for a gene.
6. It is a gene expression in which the phenotype of the heterozygous
individual is intermediate between those of the parents.
plant with red and blue flowers.
9. Please determine whether the allele responsible for the trait is dominant or recessive.
(A)
(B)
1
2
10.For a cross between a female color blind carrier and a male color blind person, what is
the probability for the female offspring to be color blind? What is the probability for the
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11.Consider the genetic map shown below
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Chapter 10 Solutions
Biology: Concepts and Investigations
Ch. 10.1 - Describe the relationships among chromosomes, DNA,...Ch. 10.1 - Prob. 2MCCh. 10.2 - Why did Gregor Mendel choose pea plants as his...Ch. 10.2 - Distinguish between dominant and recessive;...Ch. 10.2 - Prob. 3MCCh. 10.3 - What is a monohybrid cross, and what are the...Ch. 10.3 - How are Punnett squares helpful in following...Ch. 10.3 - Prob. 3MCCh. 10.3 - How does the law of segregation reflect the events...Ch. 10.4 - Prob. 1MC
Ch. 10.4 - Prob. 2MCCh. 10.4 - How can the product rule be used to predict the...Ch. 10.5 - How do patterns of inheritance differ for unlinked...Ch. 10.5 - What is the difference between recombinant and...Ch. 10.5 - Prob. 3MCCh. 10.6 - Prob. 1MCCh. 10.6 - Differentiate between pleiotropy and epistasis.Ch. 10.6 - How can the same phenotype stem from many...Ch. 10.6 - Figures 10.18 and 10.20 show two ways that a...Ch. 10.7 - Prob. 1MCCh. 10.7 - Prob. 2MCCh. 10.7 - Why do males and females express recessive...Ch. 10.7 - Prob. 4MCCh. 10.8 - Prob. 1MCCh. 10.8 - Prob. 2MCCh. 10.9 - Prob. 1MCCh. 10.9 - Prob. 2MCCh. 10.10 - Prob. 1MCCh. 10.10 - Prob. 2MCCh. 10 - In the list of four terms below, which term is the...Ch. 10 - According to Mendel, if an individual is...Ch. 10 - Prob. 3MCQCh. 10 - Which of the following is a possible gamete for an...Ch. 10 - Use the product rule to determine the chance of...Ch. 10 - Refer to the linkage map in figure 10.16b. A...Ch. 10 - How can epistasis decrease the number of...Ch. 10 - Prob. 8MCQCh. 10 - Prob. 9MCQCh. 10 - Prob. 1WIOCh. 10 - Prob. 2WIOCh. 10 - Some people compare a homologous pair of...Ch. 10 - How did Mendel use evidence from monohybrid and...Ch. 10 - Prob. 5WIOCh. 10 - Prob. 6WIOCh. 10 - Prob. 7WIOCh. 10 - Prob. 8WIOCh. 10 - Prob. 9WIOCh. 10 - A family has an X-linked dominant form of...Ch. 10 - X inactivation explains the large color patches in...Ch. 10 - Prob. 12WIOCh. 10 - Prob. 13WIOCh. 10 - Design an experiment using twins to determine the...Ch. 10 - Prob. 1GPCh. 10 - In Mexican hairless dogs, a dominant allele...Ch. 10 - A species of ornamental fish comes in two colors;...Ch. 10 - Two lizards have green skin and large dewlaps...Ch. 10 - Prob. 5GPCh. 10 - Prob. 6GPCh. 10 - Prob. 7GPCh. 10 - Prob. 8GPCh. 10 - Prob. 9GPCh. 10 - Prob. 1PITCh. 10 - Explain the effects of a mutation, using allele,...Ch. 10 - 3. Add meiosis, gametes, incomplete dominance,...
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- A heterozygous individual has a _______ for a trait being studied. a. pair of identical alleles b. pair of nonidentical alleles c. haploid condition, in genetic termsarrow_forward1. A What would be the genotype(s) and phenotype(s) of the offspring when a heterozygous corn plant is bred with a homozygous plant with purple kernels? Show your work in a Punnett square and explain why you would get the proposed offspring (demonstrate your understanding of inheritance in terms of genotype and phenotype). 1. B What would be the genotype(s) and phenotype(s) of the offspring when a heterozygous corn plant is bred with another heterozygous corn plant? Show your "reasoning" with a Punnett square.arrow_forward4. In analyzing genetic crosses, it is often necessary to examine more than one trait that is inherited in offspring. Mendel derived his Law of independent assortment of alleles by examining two traits at once. You can follow in Mendel's footsteps by working through a slightly more complex cross-a dihybrid cross-in which you can determine the probabilities of how two different traits can manifest in the offspring. Consider the two traits in pea plants that were discussed above-height (T, t) and pea color (Y, y). A dihybrid cross to trace transmission of these alleles into offspring would involve two hybrid parents, which means both of their genotypes would be TtYy. Imagine that you cross these two parents together-what types of offspring could you possibly get? a. What combination of alleles T, t, Y and y would be found in the gametes of a TtYy parent? b. Using the Punnett square below, distribute the maternal gametes onto the vertical axis and the paternal gametes onto the horizontal…arrow_forward
- 20. 20.Which among the following statements is INCORRECT? A. Codominance is evident when a cross between organisms with two different phenotypes produces offspring that exhibits both parental traits because the alleles for each trait are neither completely dominant nor recessive B. Incomplete dominance is evident when a cross between a white carnation and a red carnation results in a pink carnation flower. C. Law of dominance state that if the alleles of a specific gene differ from each other, only one phenotype will be expressed while the other is masked D. The inheritance of one trait does not affect the inheritance of the other trait especially if the allele of the other trait is located in a different chromosomearrow_forward3. Short-tailed pup distribution. In mice, the dominant T allele results in a short tail. Homozygous T/T genotype is lethal, which means mouse embryos with this genotype die before they are born. Homozygous t/t is normal, with normal tail. A cross between two short-tailed mice produces a litter of 5 pups. a). What are the genotype(s) of the two short-tailed mice used in the cross? b). What are the possible genotypes and phenotypes of the 5 pups? What are their perspective ratio?arrow_forward3. Set up a Punnett square using the following information: Dominate allele for purple corn kernels = R Recessive allele for yellow corn kernels =r Dominate allele for starchy kernels = T Recessive allele for sweet kernals =t Cross a homozygous dominant parent with a heterozygous parent. Using the Punnett square above: a. What is the probability of producing purple, starchy corn kernels? Possible genotype(s)? b. What is the probability of producing yellow, starchy corn kernels? Possible genotype(s)? c.What is the probability of producing purple, sweet corn kernels? Possible genotype(s)? d. What is the probability of producing yellow, sweet corn kernels? Possible genotype(s)?arrow_forward
- 1. A particular breed of dog can have long hair or short hair. A second trait involves the texture of the hair. The two variants are wiry or straight hair. A cross between a pure-breeding long, straight haired dog and a pure-breeding short, wiry haired dog produced F1 dogs with long, wiry hair. Assign symbols to the alleles of both loci using convention. Indicate the dominance relationship at each locus. a. b. Determine the genotypes of the parental dogs involved in the crosses below by analysing the phenotypes of their offspring: Offspring % long, wiry : % short, wiry Parents a. Long, wiry x long, wiry b. Short, wiry x long, wiry 8 short, wiry : /8 short, straight: /8 long, wiry : /8 long, straightarrow_forward2. Cows have codominance inheritance rules for their coat color. Cows with the genotype BB are completely black, those with the genotype WW are completely white, and with genotype BW have black and white spots across their body. Draw a Punnett Square that shows the genotypes and phenotypes of the offspring from a heterozygous coated cow and a homozygous white coated cow? Indicate also the genotypic and phenotypic % below: Genotypic %: Phenotypic %: 3. Cross a man with type B heterozygous blood with a woman with type O blood. What are the possible genotypes and phenotypes of their offspring? Genotypes: Phenotypes:arrow_forward5. The pedigree below traces the inheritance of Albinism, a genetic disorder. Affected individuals, indicated here by the coloured circles and squares, are unable to make a normal amount of melanin, the chemical that is responsible for eye, skin, and hair colour. Does Albinism appear to be caused by a dominant allele or by a recessive allele? Fill in the genotypes of the individuals whose genotypes can be deduced. What genotypes are possible for each of the other individuals? Explain! Naruto Hinata Reiner Asta Hange Mikasa Eren Historia Luffy Nezuko Zenitsu Tanjiro Son Gokuarrow_forward
- 11. Perform two consecutive crosses similar to those of Mendel for the following individual plants. Plants with round seeds (RR) are crossing with plants with wrinkled seeds (rr). After the first cross, cross the offspring together to generate F, offspring. What are the genotypic and phenotypic ration of F,? Round : wrinkled 3 1 phenotypic ratio: RR: Rr: rr Genotypic ratio: 1: 2: 1 12. Perform two consecutive crosses between these two plants, GGHH x gghh, as in question #11.arrow_forward4. Listed below are the results from Mendel's crosses involving the texture of peas: P: smooth peas X wrinkled peas F,: all smooth F;: 5474 smooth and 1850 wrinkled What is the phenotypic ratio in the F2 generation ? (take the number of offspring in the largest category and divide it by the number of offspring in the smallest category) What can you conclude about the mode or pattern of inheritance ? Construct Punnett squares to support your conclusion.arrow_forward4. In humans, cystic fibrosis and albinism are both inherited as independently assorting autosomal recessive traits. Use fto represent the recessive allele for cystic fibrosis and Ffor the allele for the unaffected condition. Use A to represent the dominant allele for normal melanin man is albino and heterozygous for cystic fibrosis. His wife has the unaffected phenotype for both traits, although her father had cystic fibrosis and a for the recessive allele for albinism. and her mother is albino. 4a. What is the genotype of the wife? 4b. What is the probability that a child of this couple is albino and has cystic fibrosis?arrow_forward
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