Biology: The Dynamic Science (MindTap Course List)
4th Edition
ISBN: 9781305389892
Author: Peter J. Russell, Paul E. Hertz, Beverly McMillan
Publisher: Cengage Learning
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Textbook Question
Chapter 11, Problem 4TYK
If 2n is four, the number of possible combinations of chromosomes in the resulting gametes, excluding any crossing-over, is:
a. 1.
b. 2.
c. 4.
d. 8.
e. 16.
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Chromosomal nondisjunction of the X chromosome in female gametes of humans means that live offspring can include
Select one:
O A. females with XX, and males with XY or XO
O B. females with XX or XXX, and males with XY or XO
O C. females with XX or XXX, and males with XY or XXY
O D. females with XX, and males with XY
E. females with XX or XO, and males with XY or OY
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?
An individual can have an abnormal number of chromosomes as a result of nondisjunction. Identify the following example of nondisjunction that results in an abnormal number of chromosomes.
A. Sister chromatids do not separate in meiosis II.
B. Homologous chromosomes move apart appropriately during meiosis I.
C. Mitosis occurs normally during embryonic development.
D. Two normal gametes fuse during fertilization.
Chapter 11 Solutions
Biology: The Dynamic Science (MindTap Course List)
Ch. 11.1 - How does the outcome to meiosis differ from that...Ch. 11.1 - Prob. 2SBCh. 11.1 - Prob. 3SBCh. 11.2 - Prob. 1SBCh. 11.2 - Consider an animal with six pairs of chromosomes;...Ch. 11.3 - Prob. 1SBCh. 11 - The chromosome constitution number of this...Ch. 11 - Which of the following is not associated with...Ch. 11 - Chiasmata: a. form during metaphase II of meiosis....Ch. 11 - If 2n is four, the number of possible combinations...
Ch. 11 - Prob. 5TYKCh. 11 - The DNA content in a diploid cell in G2 is X. If...Ch. 11 - Metaphase in mitosis is similar to what stage in...Ch. 11 - In the human sperm: a. there must be one...Ch. 11 - In plants, the adult diploid individuals are...Ch. 11 - Prob. 10TYKCh. 11 - Discuss Concepts You have a technique that allows...Ch. 11 - Discuss Concepts One of the human chromosome pairs...Ch. 11 - Prob. 13TYKCh. 11 - Prob. 14TYKCh. 11 - Prob. 15TYKCh. 11 - Prob. 1ITDCh. 11 - Prob. 2ITD
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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
- In a cross between a homozygous red-eyed female fruit fly and a white-eyed male fruit fly, what is the expected outcome? a. all white-eyed male offspring b. all white-eyed female offspring c. all red-eyed offspring d. half white-eyed make offspringarrow_forwardWhat is the designation for a gamete with one copy of each homologous chromosome? Select one: a. 3n b. 46 chromosomes c. n d. 2narrow_forwardWith regard to linked genes on the same chromosome, whichof the following statements is false?a. Crossing over is needed to produce nonrecombinant offspring.b. Crossing over is needed to produce recombinant offspring.c. Crossing over is more likely to separate alleles if they arefar apart on the same chromosome.d. Crossing over that separates linked alleles occurs duringprophase of meiosis I.arrow_forward
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- Which of the following statements is true? Select one: a. Nondisjunction during anaphase I or anaphase II will have no effect on the gametes formed. b. More gametes will be affected if nondisjunction occurs during anaphase I than if nondisjunction occurs during anaphase II. c. More gametes will be affected if nondisjunction occurs during anaphase II than if nondisjunction occurs during anaphase I. d. Nondisjunction during anaphase I or anaphase II will have the same effect.arrow_forwardAt the end of meiosis in humans, four gametes are produced that are: A. Genetically identical to each other and to the parent cell B. Genetically identical to each other but genetically different from the parent cell C. Genetically different from each other and the parent cell D. Genetically identical to the parent cell from different from each otherarrow_forwardWhen n equals ABC, AAAABBBBCCCC is: a. trisomic b. tetraploid c. tetrasomic d. triploidarrow_forward
- List down all the possible types of gametes produced by the following individuals with genotypes: а. AA- b. Bb- С. СcDd- d. GGHhli- e. NnOoPPQq- f. VVWWXXYYZZ- g. KKLImm- h. AaBbccddE- 2.arrow_forwardA,b and c pleasearrow_forwardThree 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 ccarrow_forward
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