BIOLOGY
12th Edition
ISBN: 9781264839698
Author: Raven
Publisher: MCG CUSTOM
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Textbook Question
Chapter 13, Problem 7U
Which of the following genotypes due to nondisjunction of sex chromosomes is lethal?
a. XXX
b. XXY
c. OY
d. XO
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A young man went to the doctor because he had small testes and enlarged breasts. Through chromosomal testing, it was determined that this young man had the sex chromosomes XXY. Identify the syndrome with which this young man was MOST likely diagnosed.
A. Turner syndrome
B. Klinefelter syndrome
C. Cri du Chat syndrome
D. Down syndrome
What is Patient B's karyotype?
A. Klinefelter syndrome
B. Trisomy 13 syndrome
C. Down syndrome
D. Lesch-Nyhan syndrome
Three genes (A, B, and C) are found on three different chromosomes. For the following diploid genotypes, describe all of thepossible gamete combinations.A. Aa Bb Cc C. Aa BB CcB. AA Bb CC D. Aa bb cc
Chapter 13 Solutions
BIOLOGY
Ch. 13.1 - Describe sex-linked inheritance in fruit flies.Ch. 13.1 - Prob. 2LOCh. 13.2 - Prob. 1LOCh. 13.2 - Explain the genetic consequences of dosage...Ch. 13.3 - Prob. 1LOCh. 13.4 - Prob. 1LOCh. 13.4 - Explain the relationship between frequency of...Ch. 13.4 - Prob. 3LOCh. 13.5 - Prob. 1LOCh. 13.5 - Prob. 2LO
Ch. 13.5 - Prob. 3LOCh. 13 - Inquiry question Mendel did not examine plant...Ch. 13 - What would Mendel have observed in a dihybrid...Ch. 13 - Prob. 2DACh. 13 - Why is the white-eye phenotype always observed in...Ch. 13 - In an organisms genome, autosomes are a. the...Ch. 13 - What cellular process is responsible for genetic...Ch. 13 - The map distance between two genes is determined...Ch. 13 - How many map units separate two alleles if the...Ch. 13 - How does maternal inheritance of mitochondrial...Ch. 13 - Which of the following genotypes due to...Ch. 13 - Prob. 1ACh. 13 - As real genetic distance increases, the distance...Ch. 13 - Down syndrome is the result of trisomy for...Ch. 13 - Genes that are on the same chromosome can show...Ch. 13 - The A and B genes are 10 cM apart on a chromosome....Ch. 13 - Prob. 6ACh. 13 - Color blindness is caused by a sex-linked,...Ch. 13 - Assume that the genes for seed color and seed...Ch. 13 - A low frequency of calico cats are male (about...
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- Match the terms with the best description. ___ dihybrid cross a. bb ___ monohybrid cross b. AaBbAaBb ___ homozygous condition c. Aa ___ heterozygous condition d. AaAaarrow_forwardWhat are the types of gametes that can be produced by an individual with the genotype AaBb? a. Aa,Bb b. AA, aa, BB. bb c. AB, Ab, aB, ab d. AB,abarrow_forwardCould an individual with blood type O (genotype ii) be a legitimate child of parents in which one parent had blood type A and the other parent had blood type B?arrow_forward
- Human females have two X chromosomes XX; males have one X and one Y chromosome XY. a. With respect to X-linked alleles, how many different types of gametes can a male produce? b. A female homozygous for an X-linked allele can produce how many types of gametes with respect to that allele? c. A female heterozygous for an X-linked allele can produce how many types of gametes with respect to that allele?arrow_forwardGiven the karyotype shown at right, is this a male or a female? Normal or abnormal? What would the phenotype of this individual be?arrow_forwardFigure 3 shows the karyotypes of two individuals suffering from a genetic disorder. a) Name the genetic disorder for individuals A and B. b) Give three characteristics of individual B. c) What is the gender of individual A?arrow_forward
- Which of the following terms may be used to describe a disease thathas multiple phenotypes?a. multifactorial d. sex-linkedb. codominance e. pleiotropyc. incomplete dominancearrow_forwardTwo summer white squashes with genotype WwYy were crossed (W= white color, Y=yellow color, w and y= green color) W is epistatic to Y and y. What would be the different colors of summer squashes obtained out of the above cross? (2 pts.) A. 12 white: 3 yellow:1 green B. 12 yellow: 3 white: 1 green C. 12 green: 1 white: 3 yellow D. 12 yellow: 3 green: 1 whitearrow_forwardList down all the possible types of gametes produced by the following individuals with genotypes:arrow_forward
- An XXY male appears as a normal male. He married a sexually normal female who is trisomic for Patau syndrome. a. Diagram the cross; give the gametes from each parent and give the progeny. b. What kinds of offspring as to sexual chromosome aberration may they have? What is the probability of each kind? c. What is the probability that the couple will have a son with Patau syndrome? d. What is the probability of a child with sexual and autosomal chromosome aberration? e. What is the probability of having normal progeny?arrow_forwardIn humans, hemophilia is an X-linked recessive condition characterized by the inability of blood to clot normally. A woman who is a carrier for hemophilia marries a man who has hemophilia. What are the genotypes of the woman and man, respectively? a. xH+xH+, xH+y b. xH+xH xH+y c. xH+xH xHy Od. XHXH, XH+y O e. xHxH xHyarrow_forwardIn a karyotype of a man whose wife has had several miscarriages, it was discovered that he had onlv 45 chromosomes. However, he displayed no obvious phenotypic defects. Furthermore, one of the chromosomes of pair 15 was abnormally long. Which of the following terms best describes the condition of this man? a. monosomy b,. trisomy c. tetrasomy d. translocation carrier e. edward syndormearrow_forward
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