In humans, the ABO blood type is under the control of autosomalmultiple alleles. Red–green color blindness is a recessiveX-linked trait. If two parents who are both type A and have normalvision produce a son who is color-blind and type O, what isthe probability that their next child will be a female who has normalvision and is type O?

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: Two sisters have a father who is homozygous for his recessive blue eyes and a mother who is dominant…

A: If the father is homozygous for a recessive pair of blue eyes, its genotype will be XbYb, whereas in…

Q: a. The ability to taste the chemical phenylthiocarbamideis an autosomal dominant phenotype, and the…

A: Genetics is a branch of biology involved in the study of genes, genetic variation, and heredity in…

Q: Consider the pedigree below for a recessive autosomal trait caused by allele t. The dominant…

A: A family tree which is made of symbols and lines which represents the genetic history of a person is…

Q: The following table displays the genotypes and corresponding phenotypes for human blood type. Human…

A: Codominance means neither allele can mask the expression of another allele. The effect of one allele…

Q: The allele for hitchhiker’s thumb (h) is recessive to straight thumb (H). If a man and his wife are…

A: Hitchhiker’s thumb is known to be one of the mysteries in genetics, other than it is a very rare…

Q: In horses, coat color comes in many varieties. If a brown horse is crossed with a white horse, the…

A: Given: In horses, coat color comes in many varieties. If a brown horse is crossed with a white…

Q: For any gene with a dominant allele A and recessive allele a, what proportions of the offspring from…

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

Q: In cats, coat color is determined by allelic variation at a single autosomal locus, with black fur…

A:

Q: In humans, the ability to roll one's tongue is a dominant trait (R). A woman who can roll her tongue…

A: Heterozygous refers to having inherited different forms of a particular gene from each parent.  A…

Q: Alkaptonuria is a metabolic disorder in which affected people produce black urine. Alkaptonuria…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: In the following pedigree, is the disorder’s mode of inheritanceautosomal dominant, autosomal…

A: In this pedigree, affected individuals appear in every generation. There are no carriers shown in…

Q: In the Bombay phenotype, a homozygous recessive individual hh appears to have blood type O because…

A: It is a multiple choice question.

Q: What is a reciprocal cross? Suppose that a gene is found as a wildtype (functional) allele and a…

A: The genetic cross is the cross between two parents performed purposefully that produces offspring…

Q: List all possible genotypes for the A, B, AB, and O phenotypes. Is the mode of inheritance of the…

A: To find: All possible genotypes for the A, B, AB, and O phenotypes and its mode of inheritance

Q: Sickle cell anemia is an inherited red blood cell disorder in which there are not enough healthy red…

A: Given: Sickle cell anemia - inherited red blood cell disorder. The allele that causes Sickle cell…

Q: Write the genotype for each person based on : -Homozygous for B allele -Heterozygous for A allele…

A: A genotype is the set of genes that make up an individual. The genotype is manifested when the…

Q: If a heterozygous female mammal with a sex-linked dominant allele for a non-lethal disorder marries…

A: Mammals are the class animals which have mammary glands. Females consists of two sex chromosomes…

Q: What phenotypes, in what ratios, would you expect from crossing a person with blood type AB (IAIB)…

A: Answer:  PHENOTYPIC RATIO = It means physical appearance , which shows that ratio of total number of…

Q: Rabbits with the genotype CC are black, heterozygous rabbits C°C" appear brown, and rabbits that are…

A: A phenotype is a set of qualities that may be observed in a person, such as height, eye colour, and…

Q: Suppose a person with the co-dominate blood form and a person with recessive blood form type get…

A: Introduction:  Codominance is a heterozygous condition in which both alleles at a gene locus are…

Q: Imagine you have a blood group of "X" which is recessive and expressed by xx. The dominant blood…

A: Genetics is the study of genes, their interactions, and the effect of environment on genes. Broadly…

Q: In cattle, coat color is inherited in a co-dominant fashion. Homozygous C R C R produces red coat,…

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

Q: In guinea pigs, the allele for short hair is dominant. If all the guinea pigs are born short haired…

A: The two possible genotypes of the parents are:

Q: In fruit flies, red eyes (R) are a dominant trait and white eyes (r) are recessive. If a homozygous…

A: Heterozygous assigns to producing inherited various forms of an appropriate gene of each parent. A…

Q: In rabbits, short hair is dominant (H) and long hair is recessive (h). In percentages, what is the…

A: An allele is a variant form of a given gene.  Phenotype is the observed physical traits of an…

Q: A husband and wife have typical vision, although both of their fathers are red-green colorblind (an…

A: It is an inheritance of an X-linked recessive condition.  In the recessive condition, only one…

Q: In the Bombay phenotype, a homozygous recessive individual hh appears to have blood type O

A: Blood group in human beings is determined by ABO, Rh factor and Bombay phenotype.

Q: Skin color in humans is determined by polygenic inheritance, which means the more dominant alleles…

A: Polygenic inheritance: - in this inheritance, more than one genes control the single characteristic.…

Q: In chickens, the Leghorn variety has white feathers due to an autosomal dominant allele. Silkies…

A: An allele is one of at least two renditions of a gene. An individual acquires two alleles for every…

Q: A father that has A+ has a child with a mother that is B+. If each parent carries the recessive i…

A: Codominance occurs when neither of the alleles for a gene is able to suppress the other alleles for…

Q: A polygenic trait has three loci.  How many dominant alleles will the offspring of Eduardo (AABBCC)…

A: Polygenic traits are controlled by multiple genes. They interact together to influence a phenotypic…

Q: Albinism, a condition characterized by a partial or total lack ofskin pigment, is a recessive human…

A: Genetics is the branch of biology that deals with the study of genes, their inheritance patterns,…

Q: Albinism is an autosomal recessive disorder. If a non-carrier normal male mates with an albino…

A: Given: Albinism is an autosomal recessive disorder. Let, Normal person (not having albino) - AA…

Q: A cross between two plants that both have yellowflowers produces 80 offspring plants, of which…

A: A genetic cross is the purposeful mating of two individuals resulting in the combinations of genetic…

Q: With regard to the ABO blood types in humans, determine thegenotypes of the male parent and female…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: Human blood types show both codominance and multiple alleles. The blood types are A, B, AB, and O.…

A: According to the question, Human blood types show both codominance and multiple alleles. The blood…

Q: Human blood types are determined by genes that follow the CODOMINANCE pattern of inheritance. There…

A: Codominance is one of the form of inheritance  in which the alleles of a gene pair in a…

Q: In humans, the allele for short fingers is dominant over that for long fingers.  If a person with…

A: Given: The allele for short fingers is dominant over that for long fingers. Let us represent short…

Q: In humans, the allele for brown eye color (B) is dominant to thatfor blue eye color (b). If two…

A: According to Mendelian inheritance, a single character is controlled by one or more genes and each…

Q: Hair or fur length in cats is controlled by a single, autosomal gene; the short hair-allele is…

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

Q: What is the probability that a child will test as type A blood from parents with the following…

A: A cross is the mating between two individuals leading to the fusion of gametes and resulting in…

Q: In humans, blood type AB is a codominant trait.  Suppose Jim has blood type AB (IAIB) and his wife…

A: Blood group is controlled by three alleles: iA, iB and i.  The iA and iB are Codominant to each…

Q: Which of the following genetic diseases is/are inherited as an X-linked recessive trait: hemophilia…

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

Q: if two carriers of the gene for albinism marry, each of their children has probability 1/4 of being…

A: As 1/4 are albino then 3/4 will be normal or we can say that 3/4 won't have albmino a) (3/4)6 =…

Q: . The following pedigree is for a dominant phenotype governed by an autosomal allele. What does this…

A: Introduction: The method of analyzing traits in several generations of a family is called pedigree…

Q: In humans, blood type is controlled by a gene with three alleles, as shown in the following table:…

A: ABO blood grouping refers to the classification of the human blood based on the inherited properties…

Q: In cats, short hair is dominant to long hair and extra toes is dominant to a normal number of toes.…

A: Mendel performed a series of experiments to study the transmission of traits from parents to their…

Q: Given the following pedigree, is the trait indicated by the darkened shapes a dominant or a…

A: A pedigree chart depicts the members of a family who are impacted by a genetic trait by displaying a…

Q: Attached are three pedigrees. For each trait, considerwhether it is or is not consistent with…

A: X-linked recessive inheritance was the genetic inheritance where homozygous recessive X-chromosomes…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.