A woman heterozygous for color blindness (an X-linked recessive allele) marries a man wit normal color vision. What is the probability that their first child will be color blind? 0% 100% 25% 75% 50%

Q: In humans, cystic fibrosis is a recessive genetic disorder that results in mucu clogging major…

A: Cystic fibrosis is a hereditary disease that affects the lungs and digestive system. The body…

Q: Red–green color blindness is an X-linked recessive trait. Susan has normal color vision, but her…

A: Color blindness is defined as the inability of the person to distinguish between colors, especially…

Q: Red-green colorblindness is an X-linked recessive disorder. Jacob's paternal grandfather and father…

A: Unlike females, males are more certainly to get affected from X-linked diseases as they have only…

Q: Color blindness is known to be a sex-linked trait, which is recessive. Normal color vision is…

A: Colourblindness is a genetic disorder where the individual is incapable of differentiating between…

Q: A woman who is phenotypically normal is married to a phenotypically normal man. Her maternal…

A: Introduction X-linked Inheritance Means That The Gene Causing The Trait Or The Disorder Is Located…

Q: Red-green color blindness is caused by a recessive allele on human X chromosomes. A woman with…

A: Red/green colour blindness is passed from mother to son on the twenty third chromosome, that is…

Q: Male-pattern baldness is an X-linked recessive trait (Xb). A father with a genotype XBY and a mother…

A: The DNA (deoxyribonucleic acid) is the hereditary material of an organism. The DNA is a part of the…

Q: A normal woman who is a carrier for colorblindness marries a normal man. What types of offspring…

A: As colour blindness is an X linked recessive diseases.So, XcXc = Homozygous recessive female ,…

Q: A female has a family history of Duchenne muscular dystrophy, a recessive sex- linked condition that…

A: Since, the disorder is sex linked recessive, we have,  Genotype of affected female - XDXD Genotype…

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: Jim and Pam would like to have a baby, but they know that albinism (an autosomal recessive disease)…

A: Albinism is an autosomal recessive disease. Carriers of albinism are not affected with disease but…

Q: . A girl has green-red CVD (colour vision deficiency) which is an X-linked recessive trait. What are…

A: There are two points of information which define the answer:- The offspring is a girl Disease's…

Q: Jim and Pam would like to have a baby, but they know that albinism (an autosomal recessive disease)…

A: Albinism is caused by the autosomal recessive mutation that is a heritable disease. It causes the…

Q: Hemophilia is a recessive disease carried on the X chromosome. If an unaffected carrier mother had…

A:

Q: What is most likely the woman's genotype?

A: The human blood group system is classified based on the ABO blood group system. Thi is mainly done…

Q: Male pattern baldness is a recessive sex-linked trait on the X chromosome (Xb).  A woman, who is…

A:

Q: A man who is a dwarf due to achondroplasia and has normal vision marries a color-blind woman of…

A: Autosomal dominant  It is a type of inheritance in which the gene is located on the autosomal…

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: A normal couple has a daughter with albinism, a recessive trait. What is the chance that their next…

A: Albinism is a genetic condition where the synthesis of melanin is highly reduced. Melanin is the…

Q: Alopecia is the condition more commonly known as pattern baldness. Alopecia is a recessive x-linked…

A: X-linked recessive inheritance refers to genetic conditions associated with mutations in genes on…

Q: G6PD deficiency is an X-linked recessive disorder. When people who have this disorder eat fava…

A: An X-linked trait is regulated by the genes present on the X chromosomes.

Q: Hemophilia is an X-linked recessive trait. The wife is hemophiliac, but the man has normal blood…

A: Hemophilia is an X-linked recessive disease, in this disease the blood clotting does not occur which…

Q: A female has a family history of Duchenne muscular dystrophy, a recessive sex- linked condition that…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and…

Q: Colorblindness is a X-linked, recessive disorder. What is the probability that a mother who is a…

A: Color blindness is a hereditary disorder caused by a variation in how one or more light-sensitive…

Q: A human female "carrier" who is heterozygous for the recessive, sex-linked trait hemophilia (XHXH),…

A: Introduction: Hemophilla is a hereditary condition that affects the body's capacity to form blood…

Q: In man, normal color vision vs red-green color blindness is controlled by the allelic gene C…

A: Red green colorblindness is an X-linked recessive disorder.  Therefore, females require two copies…

Q: Color blindness is inherited as a sex-linked recessive disease. An affected male (X Y) marries a…

A: XRXr .= Carrier female (heterozygous ) XrXr. = Color blind female XRY=  Normal male  XrY= Carrier…

Q: Each member of a family of 5 has eye color that is a different shade of brown. The father's eyes are…

A: There are some traits that are regulated by only one gene such traits are explained very well by…

Q: Mary has hemophilia, an X-linked recessive trait. From which of the following individuals could Mary…

A: Introduction : Hemophilia is an X-linked recessive trait . It is a genetic condition in which the…

Q: A color blind (X linked recessive) female marries a normal male. What percent of her daughters will…

A: Color blind is defined as a condition where there is an inability to differentiate between shades of…

Q: A male affected with an X-linked dominant trait will have what proportion of offspring affected with…

A: Genetics is the branch of biology that deals with the study of genes, their variation, and heredity…

Q: A woman who is heterozygous for a sex-linked recessive gene will always pass the characteristic…

A: Hemizygous genotype is when there is only one member of chromosome segments instead of two in the…

Q: Assuming brown or blue eye color is determined by different alleles of a sSingle gene. A woman with…

A: At the foundation of all living things, there is a specific code that serves to create each and…

Q: Tanya has a family history of colorblindness but can see colors, and her partner Tim is affected by…

A:

Q: Huntington’s disease, is an incurable neurodegenerative genetic disorder that affects muscle…

A: Huntington's disease is an autosomal dominant disorder. This means that only one copy of the…

Q: Q1

A: Let the gene be RB and rb. Mother is homozygous dominant RBRB- X RBXRB Father is normal- XrbY   X…

Q: recessive (aa) for the attached earlobe gene, what is the probability that their second child will…

A: Punnett square is considered a method that is used widely for the prediction of different genotypes…

Q: Colorblindness is a sex-linked recessive condition. A colorblind woman with the genotype XX® marries…

A: Colour blindness is a common inherited condition which gets passed from parents to their offsprings.…

Q: A human female who is heterozygous for the recessive, sex-linked trait causing red-green color…

A: The alleles are the alternative of a gene that are located on the same chromosome. In case of…

Q: Color-blindness is caused by an X-linked recessive allele. A color-blind woman marries a man with…

A: X linked recessive genes shows the criss cross pattern of inheritance . In the criss cross…

Q: A recessive allele on the X chromosome is responsible for red-green color blindness in humans. A…

A: Human inheritance is studied by the technique known as pedigree analysis. Pedigree analysis is used…

Q: Red–green color blindness is a human X-linked recessive disorder. Jill has normal color vision, but…

A: Color blindness is defined as the inability of the person to distinguish between colors, especially…

Q: A man who is an achondroplastic dwarf with normal vision marries a color- blind woman of normal…

A: Dwarfism is a congenital disorder that causes shortness and deformities in height. A chromosomal…

Q: A homozygous mother has retinoblastoma, a dominant sex-linked disorder carried on the X chromosome.…

A: The retinoblastoma is a sex linked dominant disorder.  The father does not have this disorder. The…

Q: Jenny's maternal uncle (her mother's brother) is affected with a rare x-linked disease, but no one…

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

Q: Men are more likely to display an X-linked recessive disorder than are women. Why do you think this…

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

Q: Colorblindness is an X-linked recessive trait. If a color blind woman is married to a man with…

A: Given: Colorblindness is an X-linked recessive trait. A color blind woman married a man with normal…

Q: If a female who is a carrier of an X-linked recessive gene for hemophilia mates with a male who does…

A: Hemophilia is a genetic bleeding disorder in which blood don't clot normally. It runs in the…

Q: Purple flower color in pea plants is completely dominant to white flower color. A pea plant…

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

Q: Hemophilia is an X-linked recessive disease that prevents blood clotting. If a woman who is…

A: To find The proportion of children with haemophilia

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.