Freckles is determined by a single gene and having freckles is dominant over not having freckles. If a man with freckles and a woman without freckles have a child that does not have freckles then

Q: Grandma Jade is affected with tuberous sclerosis, she grows benign tumors, and the trait is under…

A: A few people inherit the disorder from a parent with TSC, most cases happen as irregular cases…

Q: What will be the possible offspring from a dad who has hemophilia and a mom who is a carrier?…

A: Hemophilia is a generally acquired hereditary disorder that debilitates the body's capacity to make…

Q: Jessie and Joe are both carriers of the sickle cell trait which causes sickle cell disease when…

A: Sickle cell anemia is one of the genetic disorders known as sickle cell disease. It affects the…

Q: Almond-shaped (E) eyes is dominant over round eyes. Presence of freckles (F) is also a dominant…

A: Dominant character is always expressed in heterozygous or homozygous condition where as recessive…

Q: Almond-shaped (E) eyes is dominant over round eyes. Presence of freckles (F) is also a dominant…

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

Q: A person has the genotype AabbCCDdEEFfGgHH for 8 genes. State how many genes are homozygous…

A:

Q: A child is heterozygous for blood type A whose father is homozygous dominant for the same blood…

A: Introduction  Genotype for Blood group A -  Either lAlA (homogygous)  or,  lAlo  (heterozygous)…

Q: Hemophilia is a sex-linked recessive trait. A male hemophiliac and phenotypically normal female have…

A: Haemophilia is one of several X-linked recessive hereditary genetic diseases, which occur when the…

Q: Jo does not have a bent little finger, but his parents do. What is the expected phenotypic ratio…

A: The phenotypic proportion or ratio is a quantitative connection between phenotypes showing the…

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

A:

Q: If a man heterozygous for widow’s peak (dominant) marries a woman homozygous for continuous hairline…

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

Q: Two couples had babies in the same hospital at the same time. Michael and Danielle had twins, a boy,…

A: ABO Blood Types: Blood types refer to the classification of blood based on the presence or absence…

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: Bryan has albinism, an autosomal recessive trait, which means he is homozygous recessive for…

A: Ans: Albainism is an autosomal recessive disorder. For this disease to develop two copies of an…

Q: In humans,curly hair is dominant over straight hair.A woman heterozygous for hair marries a man with…

A: Genetic conditions are transferred from parent to offspring. Sometimes, they get expressed in the…

Q: Draw a pedigree chart for the family described below and use the chart to determine the genotype or…

A: Pedigree is a family chart drown by genetic councillor by the use of some symbols to determine a…

Q: Albinism is an autosomal recessive condition characterized by absence of melanin pigment from the…

A: Albinism is a group of genetic disorders characterized by a lack of melanin, the pigment that gives…

Q: In a family, the mother has type A blood, the daughter has type O blood, and the son has type B…

A: ABO blood group shows a codominance pattern. It means that neither of the alleles A or B is…

Q: A recently married couple are both heterozygous for cystic fibrosis, a recessive genetic disorder.…

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

Q: A woman with keratosis, a skin condition caused by a rare dominant allele, marries a man with normal…

A: Keratosis is a general term used to describe a group of skin conditions characterized by the buildup…

Q: Tim and Jan both have freckles, but their son Michael does not. Show with a Punnett square how this…

A: Freckles are small brown spots on the skin. Mostly in areas which get sun exposure. In most of the…

Q: Attached earlobes is recessive while “Free” earlobes is dominant. Determine the phenotypes for both…

A: Let the dominant allele for free earlobes be = Eand the recessive allele for attached earlobes be e…

Q: Hemophilia is a blood disorder which is sex-linked. A woman carrier has children with a normal man.…

A: In this question, we have to determine the chances for girls and boys with haemophilia .

Q: What percent of offspring will exhibit albinism if the genotypic ratio is 2:2:0.  (For your answer…

A: Dominant genes are those genes which express itself more strongly and is dominant over the recessive…

Q: A colorblind woman marries a man with normal vision. What is the chance that if they have a son he…

A: Colorblindness is an X linked recessive trait. This means that the woman must have the genotype of…

Q: at least 1 child with attached earlobes

A: Homozygous individuals mean there is a pairing of the two same types of alleles and both of the…

Q: Red-green colour blindness is a sex-linked trait. Red-green colour blindness (Xrg) is the inability…

A: Given: Red-green color blindness is a sex-linked trait. Red-green colour blindness (Xrg) is the…

Q: A brown-eyed man with "hitchhiker's thumb" marries a brown-eyed woman with a straight thumb. If…

A: Inheritance of the characters can be best analyzed and studied with the help of pedigree analysis.…

Q: What is the relationship between individual I-1 and individual III-2? Incidence of Hemophilia…

A: Introduction Haemophilia Is A Hereditary Condition That Affects The Body's Capacity To Form Blood…

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

A: The color of your eyes depends on how much of the pigment melanin you have in your iris—the colored…

Q: The allele for albinism ( c ) is recessive to the allele for normal pigmentation ( C ). A normally…

A: According to the question, The allele for albinism ( c ) is recessive to the allele for normal…

Q: What are the odds of the person with sickle cell anemia disorder passing it on to their children if…

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

Q: Wavy hair is incomplete dominance of curly hair. If a wavy-haired woman has children with a…

A: Incomplete dominance is when a dominant allele, does not completely mask the effects of a recessive…

Q: The gene for black hair (B) is dominant over the recessive gene for blond hair (b). If the father is…

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

Q: If a person has albinism and dark skinned parents what is their genotype

A: Albinism results from the mutation in several genes. It follows the autosomal recessive inheritance…

Q: A normal woman has a father who has red-green colour blindness. She had a child with a man who does…

A: Correct answer: (c) 0.25 Color blindness is a X- linked recessive disorder When we cross a normal…

Q: Tongue rolling is an autosomal dominant trait. What would be the phenotype of a person who is…

A: Those genes which are present in autosomal Chromosome are known as autosomal trait

Q: Brown eye color is dominant to blue eye color. Individual A is heterozygous for brown eyes.…

A: Mendelian monohybrid cross takes a pair of contrasting characters into account. Here it has been…

Q: Hemophilia is due to a sex-linked gene. It is recessive and found on the X chromosome. A woman who…

A: Hemophilia is a sex linked recessive trait. Normal = XX, XY, XhX Affected = XhXh, XhY

Q: A colorblind man marries a female who is a carrier for colorblindness. What is the probability that…

A: Colour blindness is an x-linked recessive disease. This means that in females two X chromosomes are…

Q: hat will be the possible offspring from a dad who has type AB blood and a mom that is type O blood?…

A: Blood groups are described by the presence of antigenic determinants on the RBC. On the off chance…

Q: The grandfather has hairy-eared son. His son married a girl who gave birth to a boy. What are the…

A: Introduction: The pedigree refers t the family tree, which is drawn with genetic standard symbols.…