How would  you set up a punnett square to show how many children of  a mother with brown eyes(B) and a father  with green eyes(g) will have green eyes?

Q: Suppose a woman has four sons, and two are colorblind but have normal blood clotting and two have…

A: Genes regulate genetic traits.

Q: What percent of the offspring will be homozygous recessive?

A: Punnett square: It is the diagram used by the biologist to find out the genotype probability of an…

Q: A man and woman are both heterozygous for an autosomal recessive disease allele. They would like to…

A: Autosomal recessive disease refers to a genetic disorder that occurs when an individual inherits two…

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: Hypothetically speaking, of course, right handedness is dominant to left handedness and brown eyes…

A: A dominant trait is expressed in both homozygous and heterozygous genotypes while a recessive trait…

Q: Wilson's disease is an inherited disorder caused by a mutation in the ATP7B gene. Individuals…

A: From the given pedigreees we can identify the mode of inheritance of Wilson's disease. In both…

Q: Two sisters have a father who is homozygous for his recessive blue eyes and a mother who is dominant…

A: If the father is homozygous for a recessive pair of blue eyes, its genotype will be XbYb, whereas in…

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: Mabel has normal color vision and her father was color blind. Mable marries Reginald, who has normal…

A: Color vision defect is a genetic disorder that affects an individual’s perception of color. The most…

Q: Two brown-eyed parents have a child with blue eyes. Briefly explain how this could be possible.

A: Genes are the basic structural and functional units of heredity. They are composed of…

Q: Your mom has brown eyes (Bb) and your dad has blue eyes (bb). Give the percentages of the genotype…

A: Introduction :  The genetic makeup of an organism is its genotype. An organism's phenotype is…

Q: Alex (from part A) grows up and marries Molly - they end up having four children. Two of their…

A: Color-blindness is a X-linked recessive recessive inheritance. So, this trait will be transferred…

Q: According to Figure 2, what is the probability that the next child of couple II.4 and II.5 would…

A: Pedigree is defined as a diagram that will show the lineage of an organism and all the direct and…

Q: Albinism is a recessive trait that results in lack of melanin in the body. What is the probability…

A: Introduction  A Punnett square is a tool used to predict the probabilities of different genetic…

Q: A man and woman both have brown eyes. One of their children has blue eyes. How is that possible?…

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

Q: Wilson’s disease is an inherited disorder in which there is too much copper in the body’s tissue. It…

A: A pedigree chart is a graphic that depicts the incidence and emergence of phenotypes of a certain…

Q: If the allelic frequency of A= 0.02 what is the allelic frequency of a =?

A: The question is asking for the frequency of the 'a' allele given the frequency of the 'A' allele in…

Q: Does it matter that the precise meaning of the allelic symbols T, t, R, and r is not given? Why or…

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

Q: Red hair is recessive to dark hair. If red-headed Jack fathers a child with red-headed Lisa, what…

A: Red hair is recessive, dark hair is dominant. Father and mother are red-haired. Let "D" be the…

Q: In humans, having dimpled cheeks is dominant to non-dimpled cheeks. Isit possible that two dimpled…

A: As dimpled cheeks are dominant,the genotypes are DD and Dd. As the non-dimpled cheeks are…

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: What would be the results in terms of the genotype and phenotype if one parent were heterozygous for…

A: Introduction  Transmission of characters/genes from parents to offspring is referred as Inheritance.…

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: Eye Color (B, b) (B dominant for brown eyes; b for blue eyes) If Mrs. Spud's genotype is Bb and Mr.…

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

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: If the father's blood type is O and the mother's blood type is B, what are the possible blood types…

A: ABO blood grouping was given by Karl Landsteiner in the year 1901. It follows the principle of…

Q: What does homozygous black mean?

A: in animals like cattle, horses, mice etc, their coat/fur coat is determined by what alleles they…

Q: What do you mean by differntiation?

A: A cell is the smallest unit of a living thing which contributes to the specialized function in the…

Q: Heliodors are either red (R), yellow (Y) or an intermediate phenotype, orange.   What is the…

A: The phenotype of an individual is determined by their genotype and expressed genes, as well as…

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

A: Mendel's inheritance biology states that there are two forms of a gene. Each form is responsible for…

Q: A boy who is color blind has two normal parents (who are not color-blind). What is the probability…

A: Color blindness is an X-linked recessive disease. The recessive allele Xc is responsible for the…

Q: Can a woman who is type AB and a man who is type B have a child who is type A? use punnett squares…

A: The Punnett square is defined as a square diagram which is used to give the genotypes of a…

Q: Patrick recently married Patti. He is homozygous for brown eyes (B) which is dominant over blue eyes…

A: Alleles are variants of a gene. Alleles show complete dominance, incomplete dominance, and…

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 man has six digits on each hand and foot (an autosomal dominant trait).  His wife and first…

A: A condition in which an individual has more than 5 digits is known as polydactyly. Polydactyly is an…

Q: Frieda breeds her black rooster with Elsie’s white hen. The offspring are all evenly speckled black…

A: Introduction A breed is a group of domestic animals with a similar look, behaviour, and/or other…

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 male is colorblind, what information do you absolutely know about his daughters?

A: A gene is a sequence of nucleotides in genome that codes for a functioning molecule. There is…

Q: a. How many children did the first couple (couple in row D) have? b. How many children did the third…

A: A Pedigree is a genetic representation of a family tree that shows the relationships between family…

Q: The diagrams represent two human somatic cells, one from a female and one from a male, and the…

A: Introduction  Inheritance refers to the transmission of genetic information from parents to their…

Q: Mr. and Mrs. Flynn are concerned because their new baby doesn't resemble either of them and has type…

A: In ABO blood group system, there are four blood groups identified depending on the presence or…