Hemophilia is a sex-linked recessive trait in humans. If a father and a son are both hemophiliacs, but the mother is normal, her genotype must be:     XhXh     XHXh     XHXH     XhY

Q: Hemophilia is an X-linked recessive trait in humans.  A woman who is a hemophiliac and normal man…

A: Hemophilia is a disorder in which there is defective clotting of blood and can lead to: Internal…

Q: Albinism is an autosomal (not sex-linked) recessive trait. A man and woman are both of normal…

A: Introduction Albinism Is A Genetic Condition That Causes A Person's Skin, Hair, And Eyes To Be…

Q: Please explain why sex linked recessive traits are inherited by the son from his mother. If a mother…

A: Sex Linked Recessive Traits   The disease appears almost always in males whose mothers are…

Q: Two genes, A and B, exhibit duplicate recessive epistasis. Which genotype would give the recessive…

A: Duplicate recessive epistasis is a complementary gene interaction in which the recessive allele of…

Q: If a trait is X-linked, which of the following statements is true? Two recessive alleles are needed…

A: X-linked is a trait where a gene is located on the X chromosome. Humans and different warm blooded…

Q: Hemophilia is a disease caused by a gene found on the X chromosome. Therefore, it is a sex-linked…

A: If the woman  gets the X chromosome with the hemophilia gene, she will have hemophilia . A man who…

Q: For a recessive condition, two normal heterozygous individuals have children. What is the…

A: Suppose the allele affected in the condition is a.Normal:- AA Carrier:- Aa Diseased:- aa When Aa X…

Q: If a trait is X-linked dominant, who would express the trait? A) females homozygous for the dominant…

A: X-linked dominant inheritance is a mode of genetic inheritance by which a dominant gene is carried…

Q: Hemophilia is another example of a X-linked disease caused when a recessive allele (Xh) is…

A: Hemophilia is a disorder where blood clots do not form normally which leads to excessive bleeding…

Q: Geneticists are concerned about three different genetic conditions present within their family.…

A: Autosomal dominant A = achondroplasia  a = average height  AA and Aa = affected aa = normal    X…

Q: In humans, hemophilia is a sex-linked recessive disease, and the gene is located on the X…

A: Answer: HEMOPHILIA = It is the chromosomal disorder , which sex-linked recessive disease, men are…

Q: Which of the following genotype(s) must a female child have in order to be color blind?  XNXN…

A: Colorblindness is a X-linked recessive disorder which doesn't allow the individual to differentiate…

Q: Consider a rare disease that is X-linked recessive. A normal man is married to a normal woman with…

A: Genetic disorders related to mutations in genes on the X chromosome are referred to as X-linked…

Q: Consider the following phenotype for hemophilia, a recessive X-linked blood clotting disorder, in…

A: A gene is a unit of genetic material present within the DNA (deoxyribonucleic acid). Each gene…

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

A:

Q: Colorblindness is a recessive gene. Does a person who is colorblind have a homozygous or…

A: Colorblindness is a X linked recessive trait. The gene is present on X chromosome.

Q: Red-green colorblindness is due to a sex-linked recessive gene. If two normal parents have a…

A: The traits can be defined as the phenotypic characteristics that are coded by the genes. The genes…

Q: If a trait is X-linked recessive, who would express the trait? A) females homozygous for the…

A: X linked recessiveIt is a mode of inheritance in which mutation occurs in the gene of the X…

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: Consider the following phenotype for hemophilia, a recessive X-linked blood clotting disorder, in…

A: X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X…

Q: A mother with blood type AB has a child with blood type AB. Which of the following males cannot be…

A: Introduction ABO blood group system is an example of Co-dominance. It is the most common blood group…

Q: A couple each with blood type AB and normal pigmentation have a child with AB blood type and…

A: Given: A couple each with blood type AB and normal pigmentation have a child with AB blood type and…

Q: For sex-linked recessive traits, only females can be “carriers”, like how both Diana and Olivia are…

A: Hemophilia is defined as a rare bleeding disorder which is also known as sex-linked recessive…

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

A: Albenism is a recessive disorder it means it will express in an individual only in homozygous…

Q: Assuming that no new mutation was present in their daughter, offer a genetic explanation for her…

A: Haemophilia is an X linked recessive disorder. In such cases, males (XY) With one copy of defected…

Q: In X-Linked Dominant disorder, a gene responsible for a genetic disorder is located on the X…

A: X-linked dominant inheritance is the genetic conditions associated with mutations in genes on the X…

Q: Red-green color blindness is an X-linked recessive trait in humans. Polydactyly (extra fingers and…

A: Red-green color blindness is an X-linked recessive trait it can be depicted as X^c. Polydactyly is…

Q: A woman with type A blood and a man with type B blood have a child with type O blood. Can this man…

A: Blood group is the type of blood we have depends on its genotype. There are 4 main blood groups –…

Q: Hemophilia is an X-linked recessive gene. A normal woman who is a carrier for hemophilia marries a…

A: Hemophilia is a disorder in which blood can’t clot properly, excessive bleeding (external and…

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: 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: Joe has classic hemophilia, an X-linked recessive disease. Could Joe have inherited the gene for…

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

Q: Ichthyosis is a rare X-linked recessive disorder that is characterized by scaling of the skin around…

A: The term "X-related recessive disease" is used to define as to a mutation in the X chromosome's…

Q: A woman with blonde hair and blues eyes, which are recessive genes, marries a heterozygous man who…

A: Traits are characteristic features that are unique to particular individual . As per the question ,…

Q: Haemophilia is an X-linked recessive disorder. If a woman is a carrier for haemophil. and has a…

A: Hemophilia is basically an inherited bleeding disorder in which the blood doesn't clot properly,…

Q: Cystic fibrosis is an autosomal recessive disorder that affects 1 in 3 000 newborns with Caucasian…

A: Cystic fibrosis (CF) is an inherited disorder that causes severe damage to the lungs, digestive…

Q: Red-green color blindness is an X-linked recessive trait in humans. Polydactyly (extra fingers and…

A: The genotype is defined as a part of the genomic constitution of an organism that controls different…

Q: Red-green color blindness is an X-linked recessive trait in humnans. Consider an affected woman and…

A: Red green color blindness is a recessive X- linked recessive trait in humans. It is given that an…

Q: .Hemophilia is a blood-clotting disorder in humans that followsan X-linked recessive pattern of…

A: Hemophilia is an X-linked genetic disorder that prevents the clotting of blood due to mutation in…

Q: A man and woman are both of normal pigmentation, but both have one parent who is albino (without…

A: Answer - 1/4 Albinism is an autosomal recessive trait. Normal pigmentation = AA, Aa (heterozygous)…

Q: hemophilia is a sex linked recessive disease. Dick does not have hemophilia. His wife Debi is a…

A: Hemophilia is a sex-linked recessive disease; it will only be expressed in a homozygous condition of…

Q: A couple are both phenotypically normal but their son suffers from hemophilla, a sex linked…

A: Haemophilia is sex linked recessive genetic bleeding disorder in which blood doesn't clot normally.…

Q: Red–green color blindness is an X-linked recessive trait in humans. Polydactyly (extra fingers and…

A: The characters in the form of alleles are transferred from parents to offspring. The trait can…

Q: Hereditary hemochromatosis is an autosomal recessive genetic disorder that causes the body to absorb…

A: Within organisms, many various forms of mutations occur, and depending on the type of mutation, it…

Q: The allele for color blindness is carried on the X chromosome. Making color blindness a recessive…

A: Color blindness is an X- linked recessive disorder, where a person fails to distinguish between red…

Q: Hemophilia is an X-linked recessive disorder that results in an individual not having a functional…

A: The mutation and inheritance of a single defective gene according to the Mendelian principle results…

Q: Sickle cell anemia is a recessive trait in humans. In a cross between a father who has sickle cell…

A: Sickle cell anaemia is one of the diseases that make up sickle cell disease. Sickle cell anaemia is…

Q: A man with hemophilia (X-linked recessive) has two kids: a girl who has a normal phenotype, and a…

A: Hemophilia (A and B) is an X-linked recessive disorder.  The genes that are linked to hemophilia…

Q: For the Y-linked gene, use T for hypertrichosis. For X-linked genes, use the letters H for blood…

A: Given: For the Y-linked gene, Hypertrichosis (T) For X-linked gene, Blood trait (H), and eye trait…

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.