CONNECT ACCESS FOR BIOL 01204 <C>
12th Edition
ISBN: 9781264443123
Author: Raven
Publisher: MCGRAW-HILL HIGHER EDUCATION
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Chapter 13, Problem 6U
How does maternal inheritance of mitochondrial genes differ from sex linkage?
a. Mitochondrial genes do not contribute to the
b. Because mitochondria are inherited from the mother, only females are affected.
c. Since mitochondria are inherited from the mother, females and males are equally affected.
d. Mitochondrial genes must be dominant. Sex-linked traits are typically recessive.
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Students have asked these similar questions
A mother has a high heteroplasmic load in her germ cells (cells that will produce her eggs). Which of the following statements is correct?
A. ALL of her offspring are guaranteed to inherit the disease associated with this heteroplasmic load.
B. She can only pass the mitochondrial mutation to her daughters.
C. ALL of her eggs that can potentially be fertilized will have a high heteroplasmic load.
D. Cell division could lead to uneven distribution of mitochondria.
Please explain mitochondrial DNA inheritance . How is it inherited ? Why is it predisposed to mutations ? How can one identical twin be normal but the other identical twin have a mitochondrial disease ?
In organisms with X and Y chromosomes, many more genes can be found on the X chromosome than on the Y chromosome. In mammals, how might this deviate from traits being expressed, according to Mendel?
A.
Females might exhibit a mix of traits rather than all dominant or all recessive traits.
B.
Only females will have the traits resulting from the X-linked genes.
C.
Females will overproduce some proteins in relation to males’ production levels.
D.
This will not result in individuals deviating from Mendel’s principles.
Chapter 13 Solutions
CONNECT ACCESS FOR BIOL 01204 <C>
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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- In genetic maternal effect, the phenotype of the individual is determined by which of these statements? A. The sex of the parent who transmits the gene B. The nuclear genotype of the maternal parent C. The sex of the individual with only one sex able to express the phenotype D. Cytoplasmic genes usually located in the mitochondria E. A combination of environmental factors and the genotype of the individualarrow_forwarda. Each person inherits one copy of the Huntington's Disease gene from each parent. Explain why the negative control sample (from an unaffected individual) only produced one band. b. Explain why the positive control sample (from an individual affected by Huntington’s disease) produced twobands.arrow_forwarda. Explain the difference between maternal inheritanceof organelle DNAs and maternal effect inheritance.b. How do the inheritance patterns of phenotypescaused by mitochondrial genes differ from thosecaused by maternal effect genes?arrow_forward
- What is the explanation for maternal effect inheritance at the molecularand cellular level?a. The father’s gene is silenced at fertilization.b. During oogenesis, nurse cells transfer gene products to the oocyte.c. The gene products from nurse cells are needed during the veryearly stages of development.d. Both b and c are correct.arrow_forwardWhen the phenotype of the offspring is determined by endoparasites in the father it is… a. epistasis b. due to genes located in the mitochondria. c. a maternal effect d. non-nuclear inheritance e. a non-additive genetic effectarrow_forwardIn mammals, males have X and Y sex chromosomes, while females have two Xs. While the Y sex chromosome has very few genes associated with it, the X sex chromosome has many that are important to maintain life. How do mammals account for this in terms of equaling out gene expression levels? A. Mammals do not need to account for this, but birds do. B. Females produce more proteins from X-linked genes than males do. C. The single X of the males works twice as hard to keep up with the female’s two Xs. D. The females have one X inactivated to permit the males to keep pace with them.arrow_forward
- Fruit fly segmentation begins during oogenesis and is affected by which maternal genes? (Note answers can be multiple or if not given from the option, provided the proper answer) a. Gap genes b. Oskar genes c. Pair-rule genes d. Gurken genesarrow_forwardColorblindness and hemophilia are both X-linked traits in humans. Explain how a female who has a defective color vision gene on one X chromosome and a defective blood clotting gene causing hemophilia on the other X chromosome can be neither a hemophiliac nor colorblind? Please discuss the effect of Gene dosage compensation in your answer and in your answer describe the molecular process by which this occurs.arrow_forwardThe chromosomal theory of inheritance states thata. chromosomes contain DNA.b. humans have 23 pairs of chromosomes.c. all cells have genes.d. genes are on chromosomes.arrow_forward
- The chromosomal theory of inheritance states that genes are on chromosomes. Therefore, any chromosomal abnormality will affect the number and location of genes therefore lead to the over- and under- expression of genes. Which of the following condition will NOT result in the over-expression of a gene? A. Trisomy 18 B. Triploidy 3n C. Monosomy X D. Duplication of a chromosome segmentarrow_forwardWhich pathology leads to an increased risk of Alzheimer’s disease? Select one: a. Accumulation of the Amyloid β peptide b. Homozygosity for the e2 ApoE allele c. Sedentary lifestyle in young adulthood d. A mutation in the presenilin 4 gene e. Increase in blood cholesterolarrow_forwardThe father has curly hair; the mother has also curly hair. Will it be possible for their offspring to have straight hair since both parents are curly? a. No, it is very impossible to have a child with straight hair. b. Yes, it is possible for their offspring to have straight hair if the mother also has black hair. c. Yes, all of their offspring will have straight hair. d. Yes, the parents will have offspring with straight hair if the parents are heterozygous for traits. e. Yes, the parents will have offspring with straight hair if the parents are homozygous for the trait.arrow_forward
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