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Q: A person with sickle-cell anemia marries a healthy person without sickle cell anemia.  They have a…

A: Sickle cell anemia is a red blood disorders where the mutation caused some of the RBC to have sickle…

Q: If two doubly-heterozygous Cookie-monster blue-haired muppets mate, and produce 3200 children, which…

A: Epistasis is defined as an event occurring in genetics which shows the effect of gene mutation…

Q: What is the name for the situation where a single genetic locus influences multiple traits? Group of…

A: A locus, like a genetic street address, is the precise physical position of a gene or other DNA…

Q: Labrador retrievers are black, brown, or yellow. In a cross of a black female with a brown male,…

A: The genotype of any trait is determined by alleles that are received from the individual's parents.…

Q: What findings led geneticists to postulate the multiple- factor hypothesis that invoked the idea of…

A: In biology, the gene is the primary base of heredity. It is the summation of the sequence of the…

Q: We think that dwarfism in river birch might be inherited as a single-locus, simple Mendelain trait.…

A: Inheritance or heredity is passing on one trait from the parents to the progeny by either asexual or…

Q: Given that the mutation causing deafness in the family shown in Figure 19–26 is very rare, what is…

A: In a pedigree chart, the affected individuals are shown by shaded circles or squares. In the given…

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: In a certain species of birds which produce many offspring per mating, the following modes of…

A: According to guidelines we have to answer the first 2-3 question only. so please kindly post the…

Q: The flower color gene studied by Mendel affected three traits. This is an example of ________.   a.…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is A (Pleotrophic Genes) Explanation :…

Q: Duchenne muscular dystrophy is sex linked and usually affects only males. Victims of the disease…

A: Duchenne muscular dystrophy is recessive sex-linked genetic disorder that typically affects the…

Q: In humans, being right-handed (R) is dominant over being left-handed (r), and normal vision is…

A: Right handed = RR, Rr Left handed = rr Colour blind = XcXc, XcY Normal vision = XX, XY, XcX

Q: The comb shape of chickens is an example of an interesting inheritance pattern.  Two genes, each…

A: Phenotypic characteristics of an organism is determined by the expression of specific alleles. the…

Q: What is a test-cross? Why might a geneticist need to do a test-cross and how are the results used to…

A: A test cross is done to find out the genotype of the individual and whether it is homozygous or…

Q: The following cross is performed between two varieties of fish that differ in scale color. What…

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

Q: Trait W is found in the individuals represented by the shaded symbols in the following pedigree.…

A: Pedigrees are used to investigate the pattern of inheritance of a particular trait through…

Q: Explain multiple Alleles using Human Blood Groups as an example.

A: Each gene, according to Gregor Mendel, should contain only two alleles. Alleles are gene variants…

Q: In humans, free ear lobes (E) is dominant over attached ear lobes (e), and brown eyes (B) is…

A: The answer is given below.

Q: Clark's eyes are brown in color. However, both his parents have eyes that are blue in color.…

A: At the gene level, two different forms of traits exist know as the dominant and recessive traits.…

Q: Being a ninja is a sex linked recessive trait. What percent of boys will be Ninja if their dad was…

A: Trait are characteristic features that are unique with specific individual . Trait can be :-  I )Sex…

Q: Which of the following statements describes the multifactual inheritance in genetics? A. One locus…

A: Introduction  The passing on of traits from parents to their offspring is known as heredity, also…

Q: f the following patterns of transmission is consistent with this pedigree? Select one: a. Autosomal…

A: To know whether a genetic disease is there in family or not ,we generally go through each and…

Q: You are studying a disorder that is based on the genetic cómposition at three loci. Assume that a…

A: Given value :  Dominant allele adds up 6 units of risk  recessive allele adds up 2 units of risk…

Q: People with  recessive disorders are usually born to normal parents who are both heterozygotes which…

A: The recessive disorder occurs when two mutated genes are inherited from each parent to their child.

Q: If blonde hair color is a recessive trait and one parent is heterozygous for the trait and the other…

A: A. 25%

Q: In humans, sickle cell anemia is an autosomal recessive disorder. There are two alleles at this…

A: it states that the allelic frequency of a random mating population does not change from generation…

Q: . The characteristic of albinism (lack of pigment in skin and hair), can be caused by a single gene.…

A: According to guidelines we have to answer the first 3 sub-parts only. so please kingly post the…

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: Indicate with J (yes) or N (No) if each pedigree is compatible with each of the following types of…

A: Given are the pedigree charts. In these charts,circle denotes females and black Circle denotes…

Q: Which of the following disorders in humans has an X-linked recessive inheritance pattern?…

A: X-linked inheritance means that the genetic mutation is located on the X chromosome.  A female…

Q: Two brown-eyed parents produce a blue-eyed child. Grandparents suspect infidelity on the part of the…

A: The link between the two phenotypes based on the F1 and F2 phenotypes was described by Mendel using…

Q: Given the pedigree below: Is the trait dominant or recessive? What are the most likely genotypes of…

A: The pedigree analysis shows the transmission of a genetic trait over generations in a family.

Q: When a plant with red flowers is crossed with a plant with white flowers, the F1 generation consists…

A: Answer: Introduction: Incomplete dominance is type of Gene interaction in that both alleles of a…

Q: If a pure- breeding wired hair terrier (WW) is crossed with a pure breeding smooth hair terrier (we)…

A: Inheritance patterns are of different type’s   Mendelian inheritance, incomplete dominance,…

Q: Do polygenic traits also come under non-allelic gene interactions? I

A: Gene interaction is a wide term phenomenon to explain the collective role of multiple genes in…

Q: Trait A For Heliodors, having four arm-like extensions is dominant over having two. In a family of…

A: The required punnet square is shown in below step

Q: Two genes, each with a dominant and recessive allele, determine comb phenotypes as follows: Comb…

A: Given Two genes, each with a dominant and recessive allele, determine comb phenotypes as follows:…

Q: Two alleles relate to melanin production A or a, where albinism is the expression of the recessive…

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

Q: Which of the following statements is true?​​​​​​​   The Creeper gene in chicken follows Mendelian…

A: Answer

Q: What are the possible phenotypic (P) and genotypic (G) ratios if you cross two parents who are…

A: Mendel's laws of inheritance : The Mendel's laws of inheritance include law of dominance, law of…

Q: What pattern of inheritance shows the full and separate phenotypes of two alleles in heterozygous…

A: Pleiotropy - occurs when two or more apparently unrelated phenotypes are affected by one gene. A…

Q: In ABO blood group inheritance, what is the relationship between the alleles IA and IB?   a. They…

A: Multiple alleles represent ABO blood types. An individual with blood group A can have A antigen and…

Q: EXAMPLE PROBLEM Two black female mice are crossed with a brown male. In several litters, female I…

A: Given that, two black female mice are crossed with a brown male. In several litters, female I…

Q: Incomplete Dominance and Codominance So far, we have been studying the inheritance of genes that…

A: In incomplete dominance, the offspring gets both alleles but the expression gets intermediate…

Q: A recessive allele in tigers causes an usual white coat color. If two normally pigmented tigers are…

A: Answer. An allele can be dominant or recessive. A dominant allele is the one which is expressed more…

Q: In Labrador retrievers, some puppies have pink noses and some have black. Labrador retrievers with…

A: *Given that In Labrador retrievers some puppies have pink noses and some have black noses * And…

Q: Two genes, each with a dominant and recessive allele, determine comb phenotypes as follows: Comb…

A: Genotype can be defined as the collection of all genes present on the nucleic acid of the…

Q: Below is a pedigree of a family with colorblindness. II-1 has a father who is colorblind, and II-1…

A: Correct answer is 1/2.

Q: There are several possible modes of inheritance through which traits can be inherited. The following…

A: Autosomal dominant is a genetic disorder. Can pass from parent to children. Autosomal recessive is a…

Q: A scientist is investigating the inheritance of two autosomal recessive genes in rat, ear length…

A: Through autosomal recessive inheritance, a genetic feature or disease can be passed down from one…

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.