II 3 II 3 4 5 IV

Q: Farmer Brown had two hogs, Olga and Hank.  Olga and Hank were normal, healthy hogs, but whenever…

A: Ogla and Hank must be both heterozygous for the condition. That is why they are producing some…

Q: The complete absence of one or more teeth (tooth agenesis) is a common trait in humans—indeed, more…

A: Tooth agenesis is a condition in which teeth are missing because of some genetic abnormality. The…

Q: As discussed in the text, almost 5% of Caucasians carry a recessive gene for cystic fibrosis. Until…

A: Cystic fibrosis is an inherited disease which is characterized by formation of thick, sticky mucus…

Q: Provide a proof that a different phenotype can be produced from the same genotype. What are the…

A: The collection of genes that make up a person's genotype is referred to as that person's genotype.…

Q: Ben Affleck has a cleft chin, but his ex-wife Jennifer Garner does not. Neither one of their two…

A: A trait is a characteristic that is unique for particular individual . In this , trait is cleft chin…

Q: In the early 20th century, the following information was discovered about comb shape in chickens. If…

A: Among genes, the set of functional associations between them is referred to as gene interaction.…

Q: For decades scientists have been perplexed by different circumstances surrounding families with…

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: In the 1800s, a man with dwarfism who lived in Utah produced a large number of descendants: 22…

A: Step 1: SMCD or Schmid metaphyseal chondrodysplasia refers to the progressive short hight that…

Q: What is the Dominant and Recessive allele of the Double Muscling phenotype of a Belgian Blue beef…

A: *Double muscling is an inherited disease seen in cattle breeds. * But mostly seen only in  few…

Q: In humans, discoloration of the teeth is controlled by the dentine sialophosphoprotein (DSPP) gene…

A: Recessive gene traits are the ones which are expressed only when two copies of the recessive genes…

Q: What is the probability that their firstborn child will be inartistic, immoral and greedy? What is…

A:

Q: Working with the definitions of penetrance and expressivity, analyze the following pedigree and…

A: Penetrance measures the degree of any disease gene expressed in the genotype of the individual.…

Q: A possible explanation for the increased incidence of Tay-Sachs disease among Ashkenazi Jews is

A: Tay Sachs is a rare autosomal recessive disorder that causes mental and physical disabilities…

Q: Club foot is one of the most common congenital skeletal abnormalities, with a worldwide incidence of…

A: Given data: Club foot is autosomal dominant trait with incomplete penetrance. It’s caused by PITXI…

Q: The following pedigree illustrates the inheritance of ringed hair, a condition in which each hair is…

A: The condition in which a single dominant allele is responsible for causing the disease then the…

Q: Two average sized parents have three children. The first child is very short, the second child is…

A: Hi, Thanks For Your Question. Answer : Height Is Determined By A Number Of Genes, Each Of Which…

Q: Referring to the pattern of inheritance of comb type and feathering in chicken, consider the cross…

A: The pattern of inheritance of comb type and feathering in chicken. First we will acknowledge that…

Q: Ectrodactyly is a rare condition in which the fingers are absent and the hand is split. This…

A: Ectrodactyly is a genetic disorder which is usually inherited as an autosomal dominant trait. The…

Q: In humans, discoloration of the teeth is controlled by the dentine sialophosphoprotein (DSPP) gene…

A: The normal colour of teeth is white hue color, a slightly yellowish layer for protection.

Q: Wooly hair is a rare dominant trait found in people of Scandinavian descent in which the hair…

A: The pattern of the inheritance of a particular trait is studied to understand its pattern and…

Q: A woman in Bombay caused to an unusual phenomena for blood typing as having genetically type B but…

A: The general ABO blood type is known to everyone where people with A blood type have antigen A on the…

Q: A study of three generations in a family of a male colleague of the authors indicated that many of…

A: Cardiovascular diseases are a group of disorders of the heart and the blood vessels. They include:…

Q: A recessive maternal effect mutant in zebrafish, called ichabod, results in embryos lacking heads…

A: The correct answer is option C.

Q: *22. Dent disease is a rare disorder of the kidney in which reabsorption of filtered solutes is…

A: DNA is the genetic material in most living organisms. DNA contains inheritable segments that are…

Q: In guinea pigs, rough coat is dominant (R) to smooth coat (r), and black coat (B) is dominant to…

A: It is given that in guinea pig the trait for rough coat is dominant over the trait for smooth coat,…

Q: This pedigree traces the inheritance of a rare disease in humans. a. Based on this pedigree, is the…

A: Answer is given below.

Q: One particularly useful feature of the Hardy-Weinberg equation is that it allows us to estimate the…

A: Hardy-Weinberg equilibrium states that, in a population allele and genotypic frequencies will remain…

Q: In humans, a rare dominant disorder known as nail-patella syndromecauses abnormalities in the…

A: Pedigree analysis is a scientific approach that helps to study the inheritance of genes. In this…

Q: In Labrador retriever dogs, two alleles (B and b) determine whether coat colour will be black (B) or…

A: Ans. Two dogs, each with the genotype, BbEe, were crossed BbEe  X  BbEe  BbBb  BbEe         EeBb…

Q: Suppose that in a species of mouse, the gene for brown coat color is dominant over the color black.…

A: The relationship between genes in epistasis is hostile, with one gene masking or interfering with…

Q: show effects of the allele under some circumstances (refer to the linked article and Mendelian…

A: Sickle cell allele refers to the abnormal allele of a person in which hemoglobin beta gene is…

Q: The inheritance pattern of a rare form of Xeroderma pigmentosum is exhibited in the pedigree shown…

A: a. Because of the autosomal recessive inheritance pattern, this pedigree is autosomal recessive.  1.…

Q: In poultry, two independently assorting genes together determine the structure of the comb. Thus,…

A: Given: In poultry, two independently assorting genes together determine the structure of the comb.…

Q: Type 1 albinism in humans is a rare hereditary condition associated with a reduced amount of active…

A: In type I albinism, the amount of active tyrosinase enzyme is reduced. This enzyme plays an…

Q: A made-up genetic phenotype in humans results in some people having both brown and blond body hair.…

A: In an individual, the phenotypic traits are determined by inherited genes from his/her parents.…

Q: The allele of the gene responsible for the lung disorder, cystic fibrosis rose to prominence in…

A: Hardy-weingberg says that "In absence of forces that change gene frequenceis, relative frequences of…

Q: In humans, discoloration of the teeth is controlled by the dentine sialophosphoprotein (DSPP) gene…

A: DSPP gene that is responsible for discoloration of the teeth is present on chromosome number 4.   I…

Q: Type 1 albinism in humans is a rare hereditary condition associated with a reduced amount of active…

A: Albinism is a genetic disorder characterized by reduced melanin production. The tyrosinase enzyme…

Q: The pedigree pictured is of an extended family where a large percentage of family members develop…

A: Colon cancer , a form of cancer which starts in the large intestine and spreads throughout the body…

Q: In mice, the presence of a dominant A allele results in the agouti pattern of fur color, whereas the…

A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…

Q: In humans, the glucose-6-phosphate dehydrogenase (G6PD) gene involved in sugar metabolism is…

A: When a gene mutation (allele) is found on a sex chromosome (allosome) rather than a non-sex…

Q: A woman diagnosed with early-onset Alzheimer's due to a mutation of the APP genehas children with a…

A: Azheimer's disease (AD) is a neurodegenerative disorder characterized by progressive dementia and…

Q: Based on the information shown in the chart above, what is the most likely inheritance pattern for…

A: Mutation is defined as the sudden inheritable change in the DNA Sequence by any mutagens.

Q: The red color of the tomato pulp depends on the presence of the R factor, dominant over its r allele…

A: Red = RR, Rr Yellow = rr Normal = DD, Dd Dwarf = dd

Q: In humans, discoloration of the teeth is controlled by the dentine sialophosphoprotein (DSPP) gene…

A: The normal colour of teeth is white hue color, a very slight yellowish layer for protection.

Q: What is a genetic reason for the absence of Labrador-shaped dogs that are a wolf-like gray (agouti)…

A: The interaction between two genes, Agouti and Melanocortin-1 receptor ( MC1R) produces diverse…

Q: Albinism in humans is inherited as a simple recessive trait. For the following families, determine…

A: As per the honor code, we answer only up to three subparts of a question at a time, therefore, we…

Q: At the molecular level (with regard to loss-of-function alleles), explain why the ttvv homozygote…

A: In heterozygotes, the single wild-type dominant allele may be able to provide enough normal gene…

Q: In humans, the glucose-6-phosphate dehydrogenase (G6PD) gene involved in sugar metabolism is…

A: Genes are the basic unit of heredity. One gene has two alleles. Each allele is contributed by each…