Johnny has unattached earlobes (a dominant trait) like his father, but his mother has attached earlobes. What is johnny’s genotype?

Q: If a colorblind woman married a man with normal vision and had kids.What are the chances of their…

A: Color blindness is an inherited disorder. Here the person who is color blind cannot distinguish…

Q: Based on the observed inheritance pattern and ratio of phenotypes, what are the genotypes of the…

A: Cystic fibrosis is an autosomal recessive Inheritance. It affects the digestive system and lungs. It…

Q: The presence of freckles (F) is dominant to no freckles (f). Jake and his mom have freckles, but his…

A: Only the Dominant Allele (F) is expressed in a heterozygous genotype.  Given:  Dominant (F)…

Q: John has unattached earlobes (dominant) like his father, but his mother has attached earlobes…

A: Let’s denoted the allele for unattached earlobes as A and allele for attached earlobes as aThe…

Q: Is Miller Fisher syndrome hereditary?

A: Miller Fischer syndrome is a rare acquired nerve disorder that is characterized by abnormal muscle…

Q: Peter is a 28-year-old man whose father died of Huntington’s disease. Peter’s mother shows no signs…

A: The defect in the gene results in various disorders and this genetic disorder can be inherited from…

Q: Mrs. Dela Cruz suffers cystic fibrosis and married a carrier for the disease. What is the percentage…

A: Introduction Cystic fibrosis (CF) is a hereditary disorder. This means that it is passed down from…

Q: Two parents with blood types A and B have a child who has O blood type. What is the chance that…

A: Blood group of an individual can be determined by presence/ absence of antigens on RBC surface while…

Q: if an individual has a widow’s peak, what are the two possible genotypes?

A: A widow's peak is a distinctive hairline pattern where the hair at the center of the forehead forms…

Q: A man with thalassemia minor marries a normal woman.  What phenotypic ratios of thalassemia-affected…

A: Thalassemia is an inherited blood disorder in which the body makes an abnormal form of hemoglobin.…

Q: Two normal visioned parents have a color-blind son. What are the genotypes of the parents?

A: Color blindness is a genetic disorder in which a person is not able to see differences in color. The…

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

A: 50 percent chances.

Q: Brown hair is determined by an autosomal dominant allele: “B”. Blond hair is determined by the…

A: Meiosis is a reductionak division. It reduces the chromosome number to halves. The B allele is…

Q: Raedwald is color blind.  His four sisters and his parents all have normal color vision.  Who passed…

A: Introduction:- The X chromosome contains the gene that causes colour blindness. Red-green colour…

Q: 1) Suppose thatt everyone in your family (bloodline) has attached earlobes. Do you know with…

A: An organism has phenotype and genotype. Phenotype is the observable characteristics and genotype is…

Q: What does J-shaped curve indicates?

A: A growth curve determines the growth of a population with respect to time. It is basically a…

Q: a man has simpson syndrome, an addiction to certain television series. his wife does not have this…

A: ss x Ss Father with Simpsons syndrome x carrier mother   S s s Ss ss s Ss ss 50%…

Q: PKU is an inherited disease caused by a recessive allele. If a woman and her husband, who are both…

A: 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: Joan was born with six toes on each foot, a dominant trait called polydactyly. Two of her five…

A: Polydactyly is basically characterized by the existence of an extra digit in the fingers of an…

Q: Which gene  is inherited from the father only?

A: A gene is a stretch of nucleotides present in the DNA molecule. It encodes information for the…

Q: Are all froms of Down Syndrome due to non-disjunction?  Explain

A: There are three forms of Down's Syndrome- 1. Trisomy 21 2. Non-disjunction 3. Mosaicism

Q: If a man with type O blood has a child with a woman who is heterozygous for type A blood, what are…

A: Blood type is determined by the presence or absence of certain antigens on the surface of red blood…

Q: A particular person is said to be a carrier of a genetic trait. What does this tell you about their…

A: BASIC INFORMATION USED IN GENETICS HETEROZYGOUS - Every gene has two characters one being the…

Q: An affected daughter An unaffected daughter Ginger is pregnant with a fifth child, a son.  What is…

A: Lalaphobia is a genetic disorder, that causes the fear of speaking. It is a sex-linked recessive…

Q: Two parents who do not have a condition have a daughter who has the condition. Which of the…

A: Gregor Mendel recognized that there are two hereditary factors. The terms gene and allele were yet…

Q: For each phenotype, list the genotype(s): Widow’s peak (W) is dominant to a straight hairline (w).…

A: Dominant refers to the relationship between two versions of a gene. Individuals receive two versions…

Q: Miguel wants to know if his musical talent comes from his great great grandfather Hector. When…

A: The Punnett square is a graphical representation of the possible genotypes of an offspring emerging…

Q: What is a down syndrome?

A: Humans are diploid organisms,i.e., humans will have two copies for each chromosome in the cells. One…

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: Is the sickle cell allele dominant or recessive? Explain. What is sickle cell trait?

A: Sickle cell is a red blood cell trait. The red blood cells become sickle cell in shape.

Q: What category of genetic disorders does albinism disord

A: Answer  Albinism is a single gene defect and it is a type genetical disorder.

Q: Based on the testing outcome, give your opinion on whether you think Cystic Fibrosis is a dominant…

A: Cystic fibrosis is a genetic disease in which CFTR gene is  mutated. This gene codes a protein…

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.