Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 14, Problem 11TYKM
Summary Introduction
To match: The given term testcross with its description.
Introduction: Gregor Johann Mendel is known as “Father of modern genetics”. Genetics is the branch of biology that deals with the study of genes, their inheritance patterns, factors that control them, structure, and function.
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Students have asked these similar questions
Match column A to Column B
1. Gene
2. Allele
3. Character
4. Dominant Allele
5. Trait
6. Recessive Allele
7. Genotype
8. Phenotype
9. Homozygous
10. Testcross
11. Heterozygous
12. Monohybrid Cross
a. Has no effect on phenotype in a heterozygote.
b. A variant for a character
c. Having two identical alleles for a gene
d. A cross between individuals heterozygous
for a single character
e. An alternative version of a gene
f. Having two different alleles for a gene
g. A heritable feature that varies among individuals
h. An organism's appearance or observable traits
i. Determines phenotype in a heterozygote
j. A cross between an individual with an unknown genotype and a homozygous recessive
k. The genetic makeup of an individual
l. A heritable unit that determines a character; can exist in different forms
In this case a family history revealed a genetic basis for the disorder. The pedigree is shown in Fig. 1 Below.
Key
Ø
Female: affected
Female: unaffected
I
||
IV
V
TOLO
5
DO
머
9
10
a. Any of these options is possible
b. III.5 but not V.3 would display the disease
O c.
V.3 but not III.5 would display the disease
O d. Neither III.5 nor V.3 would display the disease
Oe. Both III.3 and V.3 would display the disease
10
ન
Male: affected
Male: unaffected
Deceased
Disease status not given
Dizygotic twins
Monozygotic twins
Fig. 1 Disease pedigree. Five generations I, II, III, IV, V are shown. Females are represented by circles, males by squares, dizygotic (non-identical) twins by
diagonal lines originating from the same point, Monozygotic (identical) twins by diagonal lines originating from the same point and joined symbols and deceased
by a diagonal line through the symbol. Filled symbols indicate that the individual displays the disease phenotype. Unfilled symbols indicate that the individual…
Webbed fingers is inherited as an X-linked disease An unaffected male marries an
affected female.
a. Draw a Punnett square of the possible offspring.
b. List the phenotypes of the possible children
c. Draw a pedigree that displays the inheritance in you Punnett square
Chapter 14 Solutions
Study Guide for Campbell Biology
Ch. 14 - Fill in the following diagram of a cross of...Ch. 14 - A tall pea plant is crossed with a recessive dwarf...Ch. 14 - A true-breeding tall, purple-flowered pea plant...Ch. 14 - a. In the following cross, what is the probability...Ch. 14 - Prob. 5IQCh. 14 - Consider an example in which the M/m gene (for...Ch. 14 - The height of spike weed is a result of polygenic...Ch. 14 - Consider the following pedigree for the trait...Ch. 14 - a. What is the probability that a mating between...Ch. 14 - If two prospective parents both have siblings who...
Ch. 14 - Prob. 1SYKCh. 14 - How many different types of gametes can be formed...Ch. 14 - Prob. 3SYKCh. 14 - _______ gene Description a. has no effect on...Ch. 14 - _________ allele Description a. has no effect on...Ch. 14 - Prob. 3TYKMCh. 14 - Prob. 4TYKMCh. 14 - __________ dominant allele Description a. has no...Ch. 14 - __________ recessive allele Description a. has no...Ch. 14 - __________ genotype Description a. has no effect...Ch. 14 - Prob. 8TYKMCh. 14 - Prob. 9TYKMCh. 14 - Prob. 10TYKMCh. 14 - Prob. 11TYKMCh. 14 - Prob. 12TYKMCh. 14 - According to Mendels law of segregation, a. there...Ch. 14 - The F2 generation a. has a phenotypic ratio of...Ch. 14 - A 1:1 phenotypic ratio in a testcross indicates...Ch. 14 - Which phase of meiosis is most directly related to...Ch. 14 - After obtaining two heads from two tosses of a...Ch. 14 - The probability of tossing three coins...Ch. 14 - The probability of tossing three coins...Ch. 14 - In the F2 of a dihybrid cross involving two...Ch. 14 - In guinea pigs, the brown coat color allele (B) is...Ch. 14 - A true-breeding dwarf corn plant with red ears is...Ch. 14 - Prob. 11TYKCh. 14 - Prob. 12TYKCh. 14 - Prob. 13TYKCh. 14 - In humans, earwax can be wet or dry. The form of...Ch. 14 - You have blood type B, your mother has blood type...Ch. 14 - Prob. 16TYKCh. 14 - Summer squash are either white or yellow. To get...Ch. 14 - Prob. 2GPCh. 14 - True-breeding tall red-flowered plants are crossed...Ch. 14 - Prob. 4GPCh. 14 - Prob. 5GPCh. 14 - Prob. 6GPCh. 14 - Prob. 7GPCh. 14 - Prob. 8GPCh. 14 - Prob. 9GPCh. 14 - Fur color in rabbits is determined by a single...Ch. 14 - Prob. 11GPCh. 14 - The ability to taste phenylthiocarbamide (PTC) is...Ch. 14 - Prob. 13GPCh. 14 - Prob. 14GPCh. 14 - Prob. 15GPCh. 14 - Prob. 16GPCh. 14 - Imagine that a newly discovered, recessively...Ch. 14 - In mice, black fur (B) is dominant to white (b)....
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- а. a chart that shows the combinations (results) for a cross 8. Genetics b. a picture (diagram) that shows genetics pass from generation (pass from 9. Alleles parents to kids to 10. Punnett grandkids) Square genotype of 2 DIFFERENT alleles (Bb, Dd, Aa...) с. 11. Phenotype d. the information on the alleles / Genes (ex. TT, Tt, tt) 12. Genotype e. a person's Physical appearance; their characteristics (ex. Brown eyes) 13. Homozygous f. a type of gene - we get one from our mom and one from our dad. 14. Heterozygous g. genotype of two of the SAME alleles (AA, aa, BB, bb...) 15. Pedigree h. the study of heredity and the variations of characteristics (how people look differently)arrow_forwardMatch the following words with their definitions. Chromosomes A Recessive trait A Linked genes Heterozygous Phenotype A. The genetic code of a cell found in the nucleus B. A trait that is "hidden" unless there are two copies of the allele C. Genes located close on a chromosome D. Two different alleles for a specific trait E. The physical appearance of an organismarrow_forwardChromosomes undergo division during meiosis. Such chromosomal behaviors are consistent with Mendel's laws of a. Unit Characters b. None of these c. Dominance and Recessiveness d. Independent Assortment e. Secondary Nondisjunction Chromosomes undergo division during meiosis. Such chromosomal behaviors are consistent with Mendel's laws of a. Unit Characters b. None of these c. Dominance and Recessiveness d. Independent Assortment e. Secondary Nondisjunctionarrow_forward
- Label each true or false  A. AT =C/G B. Quantitative geneticists are interested in identifying the number of genes contributing to a phenotype C.Inbreeding depression is associated with decreased heterozygosityarrow_forwardAn individual has the following genotype. Gene loci (A) and (B) are 15 m.u. apart. What are the correct frequencies of some of the gametes that car be made by this individual? Bl a O A. Ab = 7.5%; AB = 42.5% B. ab = 25%; aB = 50% O C. AB = 7.5%; aB = 42.5% O D. aB = 15%; Ab = F0% E. aB = 70%; Ab = 15% Reset Selection OMark for Review What's This?arrow_forwardMatch the terms with the best description. ___ dihybrid cross a. bb ___ monohybrid cross b. AaBbAaBb ___ homozygous condition c. Aa ___ heterozygous condition d. AaAaarrow_forward
- Alleles for Tay-Sachs disease are inherited in an autosomal recessive pattern. Why would two parents with a normal phenotype have a child with Tay-Sachs? a. Both parents are homozygous for a Tay-Sachs allele. b. Both parents are heterozygous for a Tay-Sachs allele. c. New mutations gave rise to Tay-Sachs in the child. d. b or carrow_forwardA testcross is a way to determine _________. a. phenotype b. genotype c. both a and barrow_forwardThe genotype XXY corresponds to: a. Klinefelter syndrome b. Turner syndrome c. Tripto-X d. Jacob syndromearrow_forward
- Consider the Mendelian inherited genes below (complete dominance.) Draw your answer on paper and upload a photo here or complete your answer digitally and upload your file in a common format here. A. Track one gene: Blue bonnet flower color. Dominant allele = blue flowers, B; Recessive allele = white flowers, b Cross: heterozygous plant x homozygous recessive plant Set up and draw the Punnett square for this cross Predict % likelihood of offspring possible genotype & phenotypes B. Track two genes: Bluebonnet flower color and plant height Flower color: blue dominant B, white recessive b Plant height: tall dominant T, short recessive t Cross: heterozygous plant x homozygous recessive plant Set up and draw Punnett square Predict % likelihood of offspring genotypes and phenotypesarrow_forwardThe pedigrees are for a rare autosomal trait. What is the chance that individual A is a carrier? O O 1/2 1 1/4 2/3 0 56 A ठट Barrow_forwardWhat is the difference between incomplete dominance and codominance? * a. The dominant allele completely masks the recessive allele. b. In codominant traits, both alleles are expressed, while incompletely dominant traits mix to create a third phenotype c. In codominance, the traits are mixed; in incomplete dominance, both traits are expressed When organisms reproduce and their offspring demonstrate co-dominance the offspring dominant traits exhibit homsolvnsarrow_forward
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