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

Q: could two brown eyed people have a blue eyed baby?

A: Brown eye trait is an autosomal dominant trait.  The blue eye is a recessive trait.  Let B encodes…

Q: What is a varicosity

A: Varicosity is a dilated vein that mostly develops in legs.  The role of our veins is  to carry blood…

Q: How could a child inherit a disease that neither parent has?

A: In Mendel experiment F1 heterozygote Tt to be exactly like the parent in appearance. Because one…

Q: If there is no treatment for albinism, what is the status of research on this genetic disorder?…

A: Introduction :- Albinism is an uncommon set of hereditary illnesses characterised by a lack of…

Q: According to Figure 1, what is the probability that that next child of the couple marked with an…

A: Osteoporosis is a disease of bone caused by a shortage of calcium and other minerals in bones which…

Q: Is Miller Fisher syndrome hereditary?

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

Q: Jim and the members of his family do not have freckles. His maternal grandfather has freckles. What…

A: The allele combinations of a gene present in an organism determine the genotype and phenotype. The…

Q: According to an old celebrity rumor, L' nel Ritchie is Khloe Kardashian's dad. If Khloe were type O…

A: Khloe Kardashian is type O blood group, which means she have two alleles of IO (genotype IOIO). Now,…

Q: Maria has type O blood, and her sister has type AB blood. What are the genotypes of the girls’…

A: BASIC INFORMATION COMPONENETS OF BLOOD    It is the body fluid which helps in transportation of all…

Q: Which genotype would result in the recessive phenotype?

A: The individual collection of genes represents the genotype. It involves the inheritance of two…

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: 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: If someone was described as having homozygous Type B blood, what would be there genotype?

A: ABO blood group was first discovered by the Carl Landsteiner. This system is used to denote the…

Q: What causes Turner syndrome?

A: Sex Chromosome abnormalities causes turners syndrome. Persons with turners syndrome are…

Q: What is autosomal inheritance?

A: Autosomes are those chromosomes which control the character of our body not the sexual character. In…

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: What is the labeled part of these figures?

A: Answer: SHOOT and ROOT system are the two parts of a plant where shoot includes the upper portion…

Q: are all genetic disorders inherited

A: Genetic disorders are diseases that are inherited genetically. Genetic disorder can be caused due to…

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 polyembryony?

A: An embryo is defined as the early developmental stage of eukaryotic organisms following the…

Q: Given that the individual has a dominant phenotype, is it possible to determine its genotype?

A: The allele combinations of a gene present in an organism determine the genotype and phenotype. The…

Q: What is a recessive epistatic gene?

A: Epistasis Epistasis can be defined as the condition where phenotypic expression of one gene is…

Q: What pattern does the genetic disorder follow

A: Introduction Sickle cell anaemia is a type of sickle cell illness that is passed down the…

Q: what is The physical unit of hereditary composed of a DNA sequence?

A: Heredity is the sum of biological processes by which are characteristics ar transmitted from…

Q: If grandmother and grandfather are dark skinned what is their genotype.

A: Introduction: When a single trait is controlled by more than one gene is referred to as Polygenic…

Q: Can a child have blood group O if his parents have 'A' and 'B'.explain.

A: Introduction: Blood type or blood group is a classification system defining the presence or absence…

Q: What color eyes does the father have? *

A: As Brown eyes (B) is dominant to green eyes (b). Then  BB - Brown eyes, Homozygous dominant  Bb -…

Q: If two parents have a recessive trait, can they have a child that has a dominant trait?

A: Introduction  Even if only one copy of the dominant trait exists, dominant traits are always…

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: Stephanie has normal color vision. Her husband Chris also has normal color vision. They have a son…

A: Colour blindness is an X linked recessive disorder that affects majorly the son. According to the…

Q: What is the cause of Down syndrome?

A: A mutation denotes the manipulation of sequence of the genetic material of a living organism that is…

Q: The blood type of the mother is A and the father's blood type is O. They have two children,a boy and…

A:

Q: Mr. and Mrs. Smith are concerned because their own blood types are A and B, respectively, but their…

A: Given: Mr Smith has A blood type Mrs Smith has B blood type Richard, their son has O blood type.…

Q: What chromosome is associated with autism?

A: Autism is a condition that appears at an early age of childhood. The person who suffers from autism…

Q: What is polygenic inheritance?

A: Sometimes a single phenotypic trait is the controlled by many genes together. Each gene can…

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: What are allelic disorders?

A: When the disorder is caused by the allelic forms of a gene is known as allelic disorder. A trait is…

Q: What is the probability that the child indicated by the question mark will have both disorders?

A: Answer : Let us assume Gg representing allele for Grey's disorder and Oo being the allele for Orange…

Q: Is the inheritance autosomal or sex-linked?

A: The genes are located on the specific region of the DNA. Genes determine the phenotypic…

Q: What are mendal's laws of inheritence?

A: Step 1 Inheritance is the process of receiving genetic information from the parents. The entire…

Q: Is the Down syndrome inherited through Mendelian patters? If not how it is inherited?

A:

Q: If the mother's blood type is B- and the child is A-, who is the father? O Hulk - B+ Captain America…

A: The presence and absence of antibodies and inherited antigenic substances on the surface of red…

Q: What are Genetic defects?

A: Genetic defects Genetic disorder can be a single gene disorder, chromosomal disorder, and complex…

Q: What is the most common autosomal recessive disease?

A: Autosomal recessive disease refers to the type of disease that can be passed down through families.…

Q: Two albinos marry and have four normal children. Howis this possible?

A: Introduction Albinism is a genetic condition that causes a person's skin, hair, and eyes to be…

Q: Are all forms of Down syndrome due to non-disjunction?​YES​​​ or NO​?

A: Down syndrome is a genetic disorder caused when abnormal cell division results in an extra full or…

Q: What is a recessive gene?

A: Gene is the fundamental unit of heredity. Alleles are contrasting traits of a gene.

Q: What are three similarities and three differences between Autosomal Dominant and Autosomal…

A: Patterns of inheritance in people incorporate autosomal strength and recessiveness, X-connected…

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.