A couple is going to have a baby. They are concerned about sickle cell anemia, which results from having the homozygous recessive combination of the sickle cell gene ("s"), which produces abnormal hemoglobin. Having at least one normal version of the gene ("S") results in normal hemoglobin. The woman is heterozygous, and so is the man. What alleles does mom have? What alleles does dad have?

Q: Persons with sickle cell anemia have a mutation in the hemoglobin gene. This trait is produced by…

A: Sickle Cell anaemia is a genetic disorder caused by a defective allele on chromosome 11 which…

Q: Hemophilia is a typical example of Sex-Linked Inheritance. If the man is hemophilic and marries a…

A: Haemophilia is also known as bleeder's disease. This disease was first studied by John otto in the…

Q: Cystic fibrosis (f) and deafness (d) are caused by two unlinked autosomal recessive alleles, and…

A: Cystic fibrosis (f) and deafness (d) are caused by two unlinked autosomal recessive alleles, and…

Q: Hemophilia affects men much more than women. However, some women can be affected. The hemophilia…

A: Haemophilia is X linked recessive disease.  It is abnormal bleeding  disorder in which blood doesn't…

Q: A woman has type O blood.  Her child has type O blood.  Could a man with B blood type be the father?

A: Blood is a fluid that circulates continuously and gives the body nutrients, oxygen, and waste…

Q: Muscular Dystrophy is an X linked recessive disease. Maria and Nick are getting genetic counseling…

A: Answer : Given that, Muscular Dystrophy is an X linked recessive disease, this means the disease…

Q: Achondroplasia, which is characterized by difficulty converting cartilage to bone and thus results…

A: Hhsbanf is colorblind i.e XcY  Wife is carrier as their son and daughter both are affected .i.e XCX…

Q: A man, Penoy, whose sister died in early childhood from a recessive lethal disease marries a woman…

A: In the given scenario, as the male survived beyond childhood but is a carrier of the disease, it…

Q: Sickle cell anemia is a blood disorder that is expressed with incomplete dominance. The homozygous…

A: Genes are generally referred to as the basic unit of heredity. They are a part of DNA and are…

Q: Inigo Montoya is healthy but his mother had the recessive condition, cystic fibrosis, which is…

A: Cystic fibrosis is a disease that is inherited in an autosomal recessive manner. An affected…

Q: arts a) through c) below. ays written with the dominant gene first. Therefore, there a nd the father…

A: Sickel cell anaemia is an autosomal recessive. Nomal allele=S Sickle cell anaemia =s

Q: A couple named Bob and Brené have 2 children: Angela (female) and Arnold (male). Arnold has sickle…

A: Pedigree analysis is a diagrammatic representation of an individual's family tree that is used to…

Q: Cystic fibrosis is a genetic disorder that results in the build-up of thick mucus in the lungs and…

A: Cystic fibrosis is a genetic disease caused by abnormalities in the CFTR gene. As a result, an…

Q: The male is heterozygous for Huntington’s disease and homozygous dominant for Tay-Sachs. The female…

A: Male = Hh TT Female = hh Tt

Q: A form of hemophilia is caused by a sex-linked (X-linked) recessive gene. A phenotypically normal…

A: 50 percent chances.

Q: Albinism is a recessive trait that results in lack of melanin in the body. What is the probability…

A: Introduction  A Punnett square is a tool used to predict the probabilities of different genetic…

Q: A woman has a daughter. There are three men whom she claims might have been the father of the child.…

A: Mother has Ai as the allele. Man with B blood group might has Bi or BB. Man with AB has AB allelic…

Q: Wilson’s disease is an inherited disorder in which there is too much copper in the body’s tissue. It…

A: A pedigree chart is a graphic that depicts the incidence and emergence of phenotypes of a certain…

Q: Martin and Sue are contemplating having children, but Martin’s brother has an autosomal recessive…

A: A trait, disorder, or disease can be passed down through families in several ways. Autosomal…

Q: Zoe's parents were both heterozygous for the recessive cystic fibrosis allele. Zoe has cystic…

A: Cystic fibrosis is an Autosomal recessive inheritance. It is encoded by the genes present on the…

Q: Achondroplasia, which is characterized by difficulty converting cartilage to bone and thus results…

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

Q: Cystic fibrosis is a disease that is passed down through the generations. The recessive alleles for…

A: Genes carry the traits from one generation to another. Genes that code for different forms of a…

Q: Javid has two brothers. He looks a lot like one of them but not at all like the other one. All three…

A:

Q: Albinism is a recessive trait. Two individuals who both have normal pigmentation have one child out…

A:

Q: A woman who is a carrier for red-green colorblindness marries a man who is colorblind. If they have…

A:

Q: Pigeon color coat is determined by one autosomal gene with two alleles Y and y. Where Y is blue…

A: Alleles are different versions of the same gene. Each gene typically has two alleles, one inherited…

Q: Hemophilia is a sex-linked trait. A person with hemophilia is lacking certain proteins that are…

A: a) The genotype of parents :- Male parent-  Xn Y Female parent - XN Xn   b) The probability that a…

Q: Match the word or phrase to a correct statement about it. recessive allele [Choose ] [Choose a cross…

A: In this question, we have to match the given words or phrase to correct statements about the…

Q: dominant that is 80% penetrant. Clara inherited her polydactyly from her mother, her father had no…

A: 80% penetrant means that in spite of the presence of the dominant allele still 20% people would not…

Q: John Legend and Chrissy Teigen are looking to have another child. However, they’re wondering how…

A: When only one single traits are compared in a punnet square, it is said to be a monohybrid cross.…

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: Two people have decided to have offspring.  The mother is homozygous type A and the father is…

A: Genotype refers to the genetic makeup of an organism, whereas phenotype refers to the traits that…

Q: A man and a woman have two children.  One of the two children is a boy with sickle-cell disease.…

A: Sickle cell disease is inherited in an autosomal recessive manner. It is due to a mutation in the…

Q: If a color blind woman is married to a man with normal vision, what are the chances that the…

A: Color blindness is an X-linked recessive disorder, in which a person has decreased the ability to…

Q: Hemophilia is a recessive sex-linked trait in humans.  Sickle-cell anemia is a recessive trait on an…

A: Hemophilia is X linked recessive disorder in which blood continuously flows because of absence of…

Q: Albinism is a recessive disorder where there is a lack of melanin. Andrea and her husband Claude…

A: Given information Albinism is a recessive disorder.  Andrea and Claude both have normal skin…

Q: Hemophilia is an X-linked disorder that affects the body’s ability to create blood clots. The allele…

A: Hemophilia It is an X-linked recessive disorder. XH - allele for normal blood clotting is dominant.…

Q: Hemophilia is a X-linked genetic disorder causing blood clotting problem. A dominant allele on the X…

A: The alleles are generally of dominant and recessive type and some other forms like codominant are…

Q: A color-blind woman and a man with normal color vision have three sons and six daughters. All the…

A: Colorblindness (red-green colorblindness) is color vision deficiency and colorblind individuals have…

Q: Hemophilia is a sex-linked recessive disorder in which the ability of the blood to clot is severely…

A: Haemophilia is a X linked resessive disorder.

Q: Polydactyly is an autosomal dominant condition in which an individual is born with more than five…

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

Hematology

Hematology is the branch of biology. Hematology is the medical field that deals with the treatment of blood disorders and cancers, such as hemophilia, leukemia, lymphoma, and sickle-cell anemia. Hematologists and hematopathologists are medical professionals who specialize in illnesses of the blood and its components.