How does the study of maze bright and maze dull rats raised in different cages show us that different genes can interact with different environments in different ways?

Q: Certain people are able to taste the chemical phenylthiocarbamide (PTC) when it is present in wet…

A:

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: What is NOT an example of antagonistic pleiotropy? A. Developmental genes that code for greater or…

A: Antagonistic pleiotropy is the process in which one gene exerts more than one effect on the traits.…

Q: Does this statement is a  example of a phenocopy? Explain your reasoning. Q. Dwarf plants and…

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…

Q: Gene interactions can be affected by factors other than other genes. The type of gene interaction…

A: The phenotype of an organism is determined by the presence of specific allele of a particular gene.…

Q: Red–green color blindness in humans is due to an X-linked recessive gene. A woman whose father is…

A: Red-green color blindness is an inherited X-linked recessive pattern. If a female has 1 copy of…

Q: In a study, an undergraduate student discovered a new enzyme involved in the metabolism of…

A: Enzymes are usually protein molecules which catalyzes several biochemical reactions. It works as a…

Q: The color of chickens is determined by interacting loci: AA or Aa give white, aaBB or aaBb give…

A: AA o Aa = dominant (white) aa = recessive (color)

Q: Why different genes related each other ?  If level of GeneB is a function of GeneA, what could this…

A: Gene expression is regulated by different factors both extrinsic and intrinsic to the cell.

Q: What type of epigenetic change is responsible for genomic imprinting?

A: Epigenetic refers to the patterns of inheritance that involve the alterations in characteristics…

Q: X inactivation explains the large color patches in calico cat fur and the smaller patches in…

A: The calico and tortoiseshell cats are named for their cat coloring.  The cat genes are usually…

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: Why are jumping genes important?

A: Jumping genes are also known as transposable elements or transposons. They are the DNA sequences…

Q: How is such a linear activation of Hox genes carried out on the cellular level?

A: The Hox gene determines segment identity—whether a segment of the embryo will become a component of…

Q: Are queen and worker bees genetically different from each other?

A: Genetically different refers to the difference in the composition of the genetic material of the…

Q: If all cells carry the same DNA information, how is it that different cells may carry out different…

A: INTRODUCTION           When the population of organisms made changes in an over generations in…

Q: How frequently are environmentally induced changes in chromatin transmitted from one generation to…

A: The term epigenetics is associated with the study of environment and behavior causing alterations in…

Q: What causes the dark feet, ears, and nose of Himalayan rabbits? sex linkage and Barr bodies A gene…

A: Introduction :- The Himalayan rabbit is a rare medium-sized rabbit that is sometimes confused with…

Q: Look at the F1 generation in Figure 21.7 in both your book and the powerpoint lecture. Explain how a…

A: A cross between a homozygous mouse and a heterozygous mouse has been performed here. The homozygotes…

Q: eye colour body colour wing type -4 map units 6 map units 10 map units Refer to the illustration…

A: Linkage is the close association of genes or other DNA sequences on the same chromosome. Genes which…

Q: Do people look differently upon those afflicted with mental illness if we have a perspective…

A: People differently about those afflicted with mental illness because they feel like they are out of…

Q: Based on the information (graph attached) , what genes do you think are likely shaped by positive…

A: Answer: COVID'19 = It is the virus from corona virus family , SARS-CoV2 , and causes upper…

Q: How many number of genes a Mouse (Mus musculus) has ?

A: The study of genomes' design, functioning, development, sequencing, and modification is the core of…

Q: People with severe depression, mild depression, or no depression are included in GWAS research. Why…

A: A genome-wide association study (GWAS) is an approach used in genetics research to associate…

Q: Why would a researcher be interested in over- or misexpression phenotypes?

A: Examples of phenotypes include height, wing length, and hair color. Gene expression is the most…

Q: C. Consider the following hypothetical scheme of inheritance of coat color in an extinct mammal.…

A: A gene is a unit of hereditary arranged in thousands on the strands of DNA(deoxyribonucleic acid)…

Q: What is the genomic conflict hypothesis for the origin of genomic imprinting?

A: Genomic imprinting is a phenomenon of inheritance which is independent of the Mendelian inheritance.…

Q: For XCI to occur, where are the Xist and Tsix genes expressed?a. Xist is expressed only on Xa, and…

A: The inactivation of the X chromosome leads to the formation of a Barr body. It ensures the dosage…

Q: Explain the significance of “jumping genes.”

A: Genetics is the branch of biology that deals with genetic material like DNA, RNA. DNA stands for…

Q: Why have geneticists used reverse genetics to study the genes involved in vertebrate development?…

A: Reverse genetics is an approach where the function of a gene is identified by analysing the…

Q: Can We Propose a Unified Theory of GeneExpression?

A: The biochemical substance that is carried from the preceding generation to the succeeding generation…

Q: What is the central idea of “Fancy Feather Gene”?

A: A gene is  a basic physical unit of heredity are are made up of DNA .They explain how organism…

Q: One of the models for behavioral traits in humans involves a form of gene interaction known as…

A: Interactions of two or more genes which affects the expression of each other in different ways  is…

Q: What is the way genes transmit physiological, anatomical, and behavioral traits from parents to…

A: Genes are the basic functional unit of heredity and they are made up of DNA.

Q: C. Consider the following hypothetical scheme of inheritance of coat color in an extinct mammal.…

A: Inheritance is the process of transmitting the traits from parent to offspring. Traits of an…

Q: What is positional information? What are three different ways that cells obtain positional…

A: Development is a continuous change in shape, size, and function, throughout the life of an organism.…

Q: The color of chickens is determined by interacting loci: AA or Aa give white, aaBB or aaBb give…

A: Epistasis is the gene-interaction where one gene masks the phenotype of other gene. Given in the…

Q: Briefly explain the regulatory interactions between these three classes of patterning genes (gap,…

A: A segmentation gene is a gene involved in the early stages of pattern formation that define repeated…

Q: How do epigenetic traits differ from traditional genetic traits, such as the differences in the…

A: Genetics is the branch of science that deals with the study of gene and their inheritance from one…

Q: Lamarck is remembered for his theory of inheritance which hypothesized that physical characteristics…

A: Epigenetics is the process by which genes' expression is changed to generate phenotypes that differ…

Q: How will map units between genes controled by epigenetics influence crossing over?

A: Genetic map is referred to as the percentage of the recombinants of the alleged of two genes.…

Q: What evidence suggests that differences in monozygotic twins may be caused by epigenetic effects?

A: The Identical twins are also known as monozygotic twins, which occurs due to the result of…

Q: Would the genomic conflict hypothesis be likely to explain genomic imprinting for genes involved in…

A: What is genomic imprinting? In mammals, some embryonic genes are expressed differently depending on…

Learning and memory

Learning is defined as a relatively permanent and irreversible adaptive change in behavior. It always results from experience. The ability of an organism to store and recall the effects, sensations, and knowledge gained through learning and experience is called memory.