BSC 1005 PKG-W/MOD. MAST. ACCESS >CI<
17th Edition
ISBN: 9781269683364
Author: Reece
Publisher: Pearson Custom Publishing
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Textbook Question
Chapter 14, Problem 8TYK
A new plant species C, which formed from hybridization of species A (2n = 16) with species B (2n = 12), would probably produce gametes with a chromosome number of
a. 12.
b. 14.
c. 16.
d. 28.
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Students have asked these similar questions
9) If a tetraploid species gave rise to a new species by autopolyploidy, how many sets of homologous chromosomes would the new species have in its somatic cells?
a.Three
b.Two
c.Four
d.Eight
e.Sixteen
How many different combinations of maternal and paternal chromosomes can be packaged in gametes by an organism with a diploid number of 6 (2n=6; n=3)
A. 24
B. 8
C. 32
D. 12
11. There are 4 pairs of chromosome in a fruit fly. How many linkage groups is/are present?
A. 20
B. 4
C. 10
D. 12
Chapter 14 Solutions
BSC 1005 PKG-W/MOD. MAST. ACCESS >CI<
Ch. 14 - Name the two types of speciation represented by...Ch. 14 - Fill in the blanks in the following concept map.Ch. 14 - Which concept of species would be most useful to a...Ch. 14 - Prob. 4TYKCh. 14 - Bird guides once listed the myrtle warbler and...Ch. 14 - Which of the following is an example of a...Ch. 14 - Biologists have found more than 500 species of...Ch. 14 - A new plant species C, which formed from...Ch. 14 - A horse (2n = 64) and a donkey (2n = 62) can mate...Ch. 14 - What prevents horses and donkeys from hybridizing...
Ch. 14 - When hybrids produced in a hybrid zone can breed...Ch. 14 - Which of the following factors would not...Ch. 14 - Explain how each of the following makes it...Ch. 14 - Explain why allopatric speciation would be less...Ch. 14 - What does the term punctuated equilibria describe?Ch. 14 - Can factors that cause sympatric speciation also...Ch. 14 - Cultivated American cotton plants have a total of...Ch. 14 - Prob. 18TYKCh. 14 - Prob. 19TYK
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- In a species the haploid number of chromosomes is 4. Independent assortment has the possibility of producing different gametes. 8. 24 O O Oarrow_forwardFor an unknown dihybrid species, the trisomy state has 2n+1=33 chromosomes. How many chromosomes are in its gamete? A. 16 B. 17 C. 32 D. 33arrow_forwardA diploid fruit fly has 8 chromosomes. Which of the following terms should not be used to describe a fruit fly with four sets of chromosomes?A. Polyploid B. Aneuploid C. Euploid D. Tetraploid E. 4narrow_forward
- The diploid number of an organism is 12. How many chromosomes would be expected from the following conditions? a. monosomic for 1 chromosome b. trisomic for 2 chromosomes c. tetrasomic for 1 chromosome d. nullosomic for 2 chromosomes e. monoploid f. triploidarrow_forwardWhat is the outcome of a Robertsonian translocation? a. Two acrocentric chromosomesb. One large metacentric chromosome and one very small chromosome with two very short armsc. One large metacentric and one large acrocentric chromosomed. Two large metacentric chromosomesarrow_forwardAny deviation in the number of chromosomes that involves individual chromosomes, as opposed to entire sets of chromosomes, is known as which one of the following?a. Aneuploidy c. Duplication b. Disomy d. Translocationarrow_forward
- What is necessary for a chromosome bridge to occur? a. centromeres are necessary b. chromosome bridges only apply to meiosis c. centromeres and fusion d. fusion is necessary e. applies only to mitosis and involves fusion and centromeresarrow_forwardQuestion text In a cross AaBbCc x AaBbCc, what is the number of gametes would be produced from the first parent? а. 16 b. 4 С. 8. d. a.arrow_forwardThe image shows a homologous pair of chromosomes. Now imagine a crossing over event occurring between a chromatid on one chromosome and a chromatid on the other chromosome. This cross over occurs between the S and T loci. What are the genotypes of the two chromatids after the crossover? ANSWER CHOICES A. grsT and GRSt B. impossible to know C. grst and GRST D. GrSt and gRsTarrow_forward
- Upon viewing a karyotype of an organism it is determined its cells have a diploid number of 76 chromosomes(2n=76). After a cell from an organism completes mitosis they will be a. 2 b. 6 c.4 and d. 1 cells that each contain a. 38 b. 36 c. 76 d. 152 chromosomes. After a cell from this organism complete meiosis there will be A. 4 b. 8 c. 2 d. 1 cells that contain A. 36 b. 76 c. 152 d.38 chromosomes.arrow_forwardEucalyptus trees have a chromosome number of 2n = 22. This means that the nucleus of eucalyptus leaf cells has total chromosomes, and the nucleus of one of its gamete cells would have total chromosomes. O 22; 5.5 O 11: 5.5 O 22; 22 O 11; 22 O 22; 11 O 11: 11arrow_forwardMatch Column A with Column B. v Alternative forms of a gene A. Alleles B. v Physical location of the gene in the Chromosome B. Locus v Genes on the same chromosome would exhibit C. Linkage D. Independent assortment v Genes on different chromosome would have E. CentiMorgan v Based on recombination frequencies F. Recombination v It indicates how much recombination occurred Crossing over would result toarrow_forward
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