Which of the following statements describes an example of a phenocopy? Explain your reasoning. a. Phenylketonuria results from a recessive mutation that causes light skin as well as intellectual disability. b. Human height is influenced by genes at many different loci. c. Dwarf plants and mottled leaves in tomatoes are caused by separate genes that are linked. d. Vestigial wings in Drosophila are produced by a recessive mutation. This trait is also produced by high temperature during development. e. Intelligence in humans is influenced by both genetic and environmental factors.

Q: provide one example from the Drosophila AP toolkit for "Toolkit genes can be classified according to…

A: The toolkit gene is a subset of gene whose product controls embryo development.

Q: Molecular geneticists have performed experiments in which they altered the number of copies of the…

A: Bicoid protein is a maternal-effect gene that code for the normal development of anterior parts such…

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A: Monogenic inherited disorders are brought about by a mutation in one single gene. Every one of these…

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A: In Drosophila melanogaster, sex is determined by cell and tissue-specific signals and not by…

Q: The Figueroa family has a genetically inherited trait called ocular albinism-lack of pigment in the…

A: Genetic disease The disease or disorder which is transferred from parents to their offsprings is…

Q: Which of the following statements about Tbx5 is true? a. Tbx5, Tbx4, and AmphiTbx4/5 have very…

A: Tetrapods are organisms with four limbs.

Q: Which of the following statements does NOT describe an environmental influence on the expression of…

A: An organism's phenotype is a function of its genotype, and it also has an effect on the environment.…

Q: You found a strain of mutant fruit flies (Drosophila) living on the rotten bananas in your dorm…

A: Maternal effect genes are influencing the development of an embryo when transferred in the form of…

Q: As a volunteer in a genetics lab, Professor Uhura tasked you with testing the biparental…

A: Introduction: Drosophila melanogaster is a species of fly in the family Drosophilidae. The species…

Q: In plants, floral organs develop from concentric rings of tissue called whorls. Beginning from the…

A: Here, option 2) Whorls 3 and 4 is the right answer. The genetic control of floral growth is…

Q: What type of database is OMIM?

A: OMIM (Online Mendelian Inheritance in Man) is a daily updated catalog of human genes and genetic…

Q: Which of the following statement(s) is/are true with regard to positional information in Drosophila?…

A: Positional information is a signal which is received by each and every cell of the body in an…

Q: Is a mutation more likely to be lethal if it impacts early or late stages in development? Explain…

A: Mutation can be defined as the sudden change that happens in a genome that can be inheritable. It…

Q: ) Why is it possible for you to study the eye colour gene by extracting cheek cells?   a. Because…

A: Introduction: Cell  is the smallest structural and functional unit of an organism, consisting of…

Q: Glucose-6-phosphate dehydrogenase (G6PD) is a critical enzyme involved in the metabolism of…

A: Glucose-6-phosphate dehydrogenase (G6PD) is a very important metabolic enzyme whose deficiency…

Q: We use the Alu element polymorphism to trace each student's ancestry. This element is present in an…

A: Introduction  Polymorphism refers to the occurrence of multiple genetic variants, or alleles, within…

Q: A. What is the wild progenitor of maize and where is it found? B. George Beadle concluded that this…

A: Note: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question…

Q: Given that you have an even-skipped mutant (Drosophila) which results in the loss of stripe #5,…

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Q: Scenario 2: A scientist is studying a population of lizards in a local pond. The lizards are…

A: The mutation is a heritable change in the genetic makeup of the organisms and it leads to the…

Q: The phenotype of a heterozygous mouse (Aa) is agouti.  The agouti banding pattern is due to altered…

A: * Homozygous dominant and Heterozygous will produce agouti that is AA or Aa respectively  and the…

Q: Developmental genes are often highly conserved. However, organisms with very similar genes can…

A: DEVELOPMENTAL GENES:- Genes that are responsible for controlling the transcription and translation…

Q: Define the following terms: a. epigenetics b. CpG island c. epimutation d. DNA methylation e.…

A: Definitions are explained.

Q: How can you determine whether a phenotype such as reduced eyes in fruit flies is due to a recessive…

A: Phenocopy is the variation in the phenotype that is due to environmental conditions like the…

Q: Describe two of the advantages of Drosophila as a model organism in genetics studies.

A: Drosophila a genus of two-winged flies also known as fruit flies because they gather around overripe…

Q: Pax-6 is a gene that is involved in eye formation in many invertebrates, such as Drosophila. Pax-6…

A: Genes are the units of heredity, in other words, we can say genes are the short nucleotide sequences…

Q: The case of golden labs in which a mutation in a gene for the pigment transport protein results in a…

A: It is given that there are two genes. The first gene encodes the normal pigmentation. The second…

Q: Does this statement is a  example of a phenocopy? Explain your reasoning. Q. Vestigial wings in…

A: Phenocopy is a process related to the genotype and phenotype of an organism for a trait. Genotype is…

Q: 20.TRC is a non mendelian trait. A.what is the mode of inheritance of total ridge count (TRC) in…

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Q: Categorize each of the following events as an example of genetic inheritance or epigenetic…

A: * genetic inheritance Inheritance is the process in which genetic information is passed on from…

Q: Of those in the following list, which organ(s)/tissue(s) is/are affected by mutations in this gene…

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Q: In comparison to experimental results from the genetic manipulation of an invertebrate model, what…

A: Genetic manipulation in an invertebrate model is generally used in monitoring ecological change,…

Q: researcher has identified a mutant strain of yeast whose histones are unable to be acetylated. Which…

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Q: 2) We hear of a mother with 10 natural children, 8 of whom have blue eyes while the other two (one…

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Q: Explain how loss-of-function mutations in the following categories of genes would affect the…

A: Drosophila is also called fruit-fly. It is often used as a model for biological investigations.

Q: DNA methylation prevents gene expression.  Methylation and de-methylation are stimulated by a…

A: Methylation  Methylation is metabolic process takes place on the DNA. The methylation of DNA control…

Q: An epigenetic study of maternal care in mice was used to study transgenerational epigenetic…

A: Answer.) :- In the given scenario the researchers used mice to study transgenerational epigenetic…

Q: ct one: a The gene is turned off, but still expresses a protein product. . The gene becomes…

A: DNA methylation is associated with the silencing of gene expression.

Q: and you notice that a few of the new babies have a strange phenotype you’ve never seen before. They…

A: Any abrupt changes in the nucleotide sequence of DNA is called as mutation.  Mutations can be…