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

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

A:

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: 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: What type of genetic disorder has occurred if there is missing  chromosome five?

A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…

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: 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…

Q: What is the most common chromosomal disorder?

A:

Q: What is the genotype of a person without freckles?

A: Freckle is a disease caused by the excess production of melanin (skin pigment). On the exposure of…

Q: What are mendelian disorders?

A: A Mendelian trait is one that is controlled by a single locus in an inheritance pattern. In such…

Q: Why do unrelated children with a disorder such as Down syndrome resemble each other more closely…

A: Down syndrome is a genetic disorder that is caused due to presence of an extra copy of the 21st…

Q: K.S. comes for a clinic visit to determine whether she is pregnant. She is very concerned because…

A: To get the remaining sub-parts solved, please repost the complete question and mention the…

Q: Albinism is inherited through a recessive allele (a). Juan has normal skin color. His Mom and Dad…

A: Genotype means the alleles constituting the genetic composition and responsible for the expressing…

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) What percentage of their children are likely to have a disease phenotype? (b) What percentage…

A: Carrier Genotype  A person who carries affected gene but not affected by that disorder because of…

Q: Two brothers have thick hair that grows over their faces and most of their bodies. This human…

A: Excessive hair growth is linked to Ambras syndrome which is also called hypertrichosis. Ambras…

Q: what is the probability that a couple (both heterozygous for the same recessive mutation) will have…

A: “Homozygous defect” takes place If the type of “deleterious mutation” is the same in both copies of…

Q: What causes most of the phenotypic abnormalities in someone with Down's Syndrome? A) They have…

A: Aneuploidy is the condition in which abnormal number of chromosomes are seen in the cell.Normally…

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.