For an individual expressing the dominant phenotype, explain why you must list two possible genotypes.

Q: Describe the phenotype of individuals who inherit two copies of the HbS allele-Sickle Cell Disease.

A: Sickle cell anemia  It is a genetic disorder that affects erythrocytes(RBC) causing them to become…

Q: Explain at the biochemical or enzymatic level, the phenotypic consequences of alleles incase of…

A: This is the phenomenon called incomplete dominance which is usually seen in snapdragons. In the…

Q: A woman with type O blood has a son with type A. What are ALL the possible genotype(s) a possible…

A: ABO blood group determines the type of blood group a person has. Persons may have type A, type B,…

Q: Define mutant allele

A: The genome of an organism consists of the genetic information that is inherited by its offsprings.…

Q: If a new allele is to be passed on to the next generation, it must be present in a(n):

A: Genes that encode instructions for constructing proteins that affect an organism's properties are…

Q: Hemophilia is caused by an X-linked recessive mutation in humans. If a woman whose paternal uncle…

A: In the disease called “haemophilia”, if a wound is created, the blood does not clot normally. This…

Q: Define wild-type alleles (+)

A: Wild type allele is the phenotype of the organism that is the product of standard normal alleles.…

Q: Let’s suppose a gene exists as a functional wild-type allele and anonfunctional mutant allele. At…

A: Dominance is a phenomenon in which an individual has two allelic forms that expresses one over the…

Q: karyotype is an important clinical method for diagnosing genetic disorders. Explain why it is useful…

A: A karyotype can be defined as a photograph of total chromosomes in a human body. It can be also said…

Q: If I got an A from my father and a O from my mother for my genotype. How would my phenotype be…

A: An allele is one of several different forms of genetic information that is present in our DNA at a…

Q: Because there are three alleles, there are six possible genotypes of blood groups, both the IA and…

A: The blood grouping is based on the presence or  absence of surface antibodies on the red blood…

Q: People with trisomy 21 develop Down’s syndrome. What law of Mendelian inheritance is violated in…

A: A gene is the fundamental physical and useful unit of heredity. Genes are comprised of DNA. A few…

Q: Describe the phenotype of individuals who inherit one copy of the HbS allele and one copy of the HbA…

A: Sickle cell anemia : Sickle cell anemia is an autosomal recessive disorder. It means the gene which…

Q: Based on the following pedigree, a) what is the mode of inheritance and b) what is the genotype of…

A: The pedigree shows autosomal dominant inheritance Autosomal inheritance because of chances of…

Q: You are a genetic councilor and your first patients of the day have arrived. They have both tested…

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

Q: Define heterozygous condition for a gene.

A: Introduction: A gene is the basic unit of heredity. It is a sequence of nucleotides present on DNA…

Q: Anastasia was the youngest daughter of Czar Nicholas II of Russia. She had no known children, and…

A: Haemophilia is a sex-linked recessive disorder. The abnormal gene responsible for haemophilia is…

Q: mother has A blood type has a child of B blood type. What are all the possible genotypes of the…

A: Some character is shown when alleles are present in homozygous form(Dominant/ recessive) while some…

Q: In humans, blood type is inherited based on multiple alleles in which type A and type B are dominant…

A: Note: First question is incomplete and upload it separately. In pea plants, round seeds are dominant…

Q: Explain the central dogma of inheritance. Cite a specific example

A: Introduction: The hereditary substance in humans and almost all other animals is DNA, or…

Q: Without referring to the notation used to write the genotypes, how are you able to tell that a gene…

A: All these are defined by the Alleles they inherit and the type of phenotype they show  These can be…

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: In the cross between a female AaBbccDdee and male AabbCcDdee, what proportion of the progeny are…

A: In this type of genetic cross, each gene is crossed separately and probability of the desired…

Q: i) Assuming brown eyes (E) are dominant over blue eyes (e), determine the genotypes of all the…

A: Genotype is the representation of alleles in an organism. Phenotype is the trait expressed by the…

Q: Assume that color blindness is a recessive character on the X chromosome. A man and woman with…

A: Introduction  Inheritance referred to the transmission of character/traits in the form of gene from…

Q: Given these parents-note, they are NOT quite the same as each other!: mom = Aa Bb Cc Dd dad = Aa Bb…

A: The product rule is used in this case. The multiply of each gene is done in this case.  The A gene…

Q: can two observably different cells have the same geno type, explain?

A: In biology, the genotype is the set of genes in our DNA which is responsible for a particular trait.…

Q: Determine what is the most likely mode of inheritance of this disease (whether it is inherited as…

A: Inheritance pattern is a pattern tat evaluates how traits are transmitted from parent generation to…

Q: 1-C-yonce is type B. What must her genotype be? 2-What must Kay-Z’s genotype be? 3-Which parent…

A: Blood types are determined by the presence or absence of certain proteins called antigens on the…

Q: Why Phenotypes may show variations in penetrance and expressivity?

A: Genetics is a branch of science that deals with the study of genes, heredity, and genetic variation…

Q: What is the probability that a child will test as type A blood from parents with the following…

A: A cross is the mating between two individuals leading to the fusion of gametes and resulting in…

Q: In humans, blood type AB is a codominant trait.  Suppose Jim has blood type AB (IAIB) and his wife…

A: Blood group is controlled by three alleles: iA, iB and i.  The iA and iB are Codominant to each…

Q: In one of his experiments, Mendel crossed homozygous yellow plants with homozygous green plants. The…

A:

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.