BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Textbook Question
Chapter 13, Problem 2U
In an organism’s genome, autosomes are
a. the chromosomes that differ between the sexes.
b. chromosomes that are involved in sex determination.
c. only inherited from the mother (maternal inheritance).
d. all of the chromosomes other than sex chromosomes.
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Students have asked these similar questions
In a trisomic individual, such as a person with trisomy 21 (Down syndrome),a genetic imbalance occurs becausea. genes on chromosome 21 are overexpressed.b. genes on chromosome 21 are underexpressed.c. genes on the other chromosomes are overexpressed.d. genes on the other chromosomes are underexpressed.
Which of the following situations does not describes a chromosomal mutation?
Select one:
a. A cytosine nucleotide is substituted for thymine nucleotide in a gene.
b. A portion of Chromosome 4 is deleted during interphase of meiosis.
c. The sister chromatids of Chromosome 18 do not separate during anaphase II.
d. A section of Chromosome 17 is duplicated leading to problems in the peripheral nervous system.
The human X and Y chromosomes
a.
are about the same size and have approximately the same number of genes
b.
include genes that determine an individual's sex
c.
are almost entirely homologous, despite their different names
d.
are both present in every somatic cell of males and females alike
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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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
- The human genome comprises: a. an X and a Y chromosome. b. 46 pairs of chromosomes. c. 23 chromosomes. d. 48 chromosomes. e. 46 chromosomes.arrow_forwardWhich of the following statements about genes is incorrect? Select one: O a. During fertilization, both the sperm and the ovum contribute genes to the resulting fertilized egg. b. Genetic differences can result from changes in the DNA called mutations. O c. Genes correspond to segments of DNA. d. Under normal circumstances, each chromosome contains precisely one gene. e. Many genes contain the information needed for cells to synthesize enzymes and other proteins.arrow_forwardIn this image of the human karyotype: A. The sister chromatids have separated B. There are 46 pairs of chromosomes C. The DNA has already been replicated D. There are 23 pairs of autosomes E. None are true.arrow_forward
- Chromosome translocations include: A. Alterations in which the genetic material remains the same but rearranged B. Alterations in which the total amount of genetics information increases C. Alterations in which the total amount of genetics information decreases D. Variations in the chromosome numberarrow_forwardChromosomes pass genetic information from one cell to another in cell generation. (j) Explain the relationship between DNA, genes, and chromosomes during the passing of genetic information. (k) During the passing of genetic information from one generation to the next via chromosomes, nondisjunction can occur, interrupting the process. Describe the events that take place during nondisjunction.arrow_forwardA company that offers PGD terms an embryo “normal and healthy” if it has 46 chromosomes. Why is this statement misleading? , Two famous male actors had twins using a surrogate mother who carried two embryos that hadbeen fertilized in vitro, one with one man’s sperm and the other with the other man’s sperm. In terms of genetics, how closely are the babies, a boy and a girl, related to each other if they have different fathers?arrow_forward
- Which of the following is a FALSE statement regarding human chromosomes? A. The chromosome number in humans is 2n=46. B. Gametes have half number of the chromosomes as in somatic cells. C. There are 22 pairs of autosomes and 2 sex chromosomes. D. Liver cells can be polyploids. They can have 23, 46, 69 or 92 chromosomes.arrow_forwardGene expression is a term that relates to Select one: A. DNA replication. B. the flow of genetic information from DNA to proteins. C. how genes are passed from parent to offspring. D. the unique set of genes in an individual.arrow_forwardFor most dividing cells in a diploid organism, the time spent in mitosis is approximately 4% of the total time of the cell cycle. In a population of continually dividing cells isolated from this organism, most of the cells would... A.have highly condensed chromatin. B. be in interphase (G1 or S or G2). C. be in mitosis. D. be in meiosis.arrow_forward
- Which of the following statements about chromosomes and centromeres is INCORRECT?(choose the letter that corresponds to the answer) A. A centromere is a constriction visible on metaphase chromosomes. B. Centromere position is a useful marker for dividing chromosomes into karyotype groups. C. Centromeric protein-A replaces histone H3 in nucleosomes found at the centromere. D. Acentric and dicentric chromosomes are genetically stable chromosomes.arrow_forwardWhich of the following is associated with chemical modifications to chromosomes that label alleles as coming from the mother or father? a. Multiple alleles b. Extranuclear inheritance c. Epigenetic marks d. Small non coding RNAsarrow_forwardEpigenesis relating to genetics refers to which of the following A. Genetic information is limited to what we inherit only from our biological parents. B. Genes are not influenced by environmental factors. C. Genes we inherit are fully expressed at birth. D. Genes are turned on or off as needed, by the developing body or environmental triggers, across the life-spanarrow_forward
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