15 Which of the following mutations would have the potential to affect future generations of a species? AA frame shift mutation in the X chromosome of a cheek cell BA chromosomal mutation in the Y chromosome of a kidney cell CA point mutation in the first chromosome of a sperm cell DA substitution mutation in the third chromosome of a uterus cell

15 Which of the following mutations would have the potential to affect future generations of a species? AA frame shift mutation in the X chromosome of a cheek cell BA chromosomal mutation in the Y chromosome of a kidney cell CA point mutation in the first chromosome of a sperm cell DA substitution mutation in the third chromosome of a uterus cell

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter22: Speciation

Section: Chapter Questions

Problem 6TYK

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Which of the following includes all of the others? a. homeotic genes b. master genes c. SRY gene d. PAX6
When two protein-coding genes have very similar nucleotide sequences and are located right next to each other on a chromosome, we can hypothesize that: a. one of them is a duplicate of the other, copied by aretrotransposon. b. they are nonhomologous. c. one of them is a pseudogene. d. they were produced by unequal crossing-over. e. they are transcribed in the same cell types.
Which of the following statements is incorrect? a. Some gene expression patterns can be passed to an individual's offspring. b. Expression of a master regulator triggers a gene express.ion cascade. c. X chromosome inactivation is necessary for normal development of male mammals.
Choose the statement that is incorrect. a. A son can inherit a recessive allele on an X chromosome from either parent. b. An individual may inherit three or more of each type of chromosome characteristic or the species, a condition called polyploidy. c. A female child inherits one X chromosome from her mother and one from her father. d. Pedigree analysis can be used to determine a future childs chance of being born with achcondroplasia.
4. Fill in the fourth column (inversion) of the table. Chromosomal Mutations Translocation Deletion Inversion 1. How many chromosomes are involved? 2. How did you change the original structure of the chromosomes? 3. Which condition/s do you think result/s to change/s of chromosome material? Please indicate using the words loss, gain, either loss or gain of genetic material.
A mutation occurs in the bicoid gene in a female fly. What will result if her eggs are fertilized? 1.Her embryos will be normal if they are fertilized by a male fly that contributed a wild type allele for bicoid 2.Her embryos will be normal if the male that fertilizes her eggs also has that same bicoid mutation 3.All of her embryos will be disrupted irrespective of the genotype of the father 4.Her embryos will develop normally but the adults will be sterile
One gene that affects three traits is an example of ______. a. dominance b. codominance c. pleiotropy d. epistasis
The chromosome number ______. a. refers to a particular chromosome in a cell b. is a characteristic feature of a species c. is the number of autosomes in cells of a given type d. is the same in all species
A mutated allele responsible for Marfan syndrome (Section 13.5) is inherited in an autosomal dominant pattern. What is the chance that any child will inherit it if one parent does not carry the allele and the other is heterozygous for it?
Which of the following statements about eukaryotic chromosomes is false? (a) eukaryotic chromosomes have free ends (b) telomeres contain protein-coding genes (c) telomerase lengthens telomeric DNA (d) telomere shortening may contribute to cell aging (e) cells with active telomerase may undergo many cell divisions
What is the main difference between autopolyploid and allopolyploid? the number of chromosomes the functionality of the chromosomes the source of the extra chromosomes the number of mutations in the extra chromosomes
1. Every time a human cell divides, over 50 new mutations can be found in the daughter cells 2. Mutations can accumulate over the course of successive cell divisions 3. In every new kid, over 50 new mutations can be found when comparing them to their parents 4. Most of the new mutations in gametes are probably silent*, but there's a good chance that one of them might occur in a gene, and alter that gene in such a way as to potentially create a mutation *Note: by 'silent' we mean that the mutation doesn't have the potential to alter phenotype, either because it is not in a gene, or is in a gene but in the middle of an intron, or is in the coding sequence but is a silent substitution, etc., etc. 5. Most new gene mutations (i.e. mutations that occur in genes that alter gene expression, splicing or protein sequence) are recessive