Why is it really uncommon to have brown eyes with red hair?

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: c. What is the probability that the first two children born to the couple will be freckled and…

A: Colour blindness is a sex linked recessive disorder due to defect in either red or green cones of…

Q: Heather was surprised to discover that she suffered from red-green colorblindness. She told her…

A: Color blindness is the decreased ability to see the color or differences in color. It can impair the…

Q: What are the inheritance pattern in colour blindness?

A: Color blindness is a genetic disorder in which the person is unable to distinguish between red and…

Q: What is preformationism? What did it have to say about how traits are inherited?

A: The preformationism was the 1st theory concerning generation and development and it is applied to…

Q: I humans, pointed eyebrows are dominant over smooth eyebrows. Mary's father has pointed eyebrows,…

A: Let us represent the pointed eyebrows as B and smooth eyebrows as b. A person with pointed eyebrows…

Q: A man has a straight hairline. Is it necessary for both his parents to also have straight hairlines…

A: The widow peak is a dominant trait over straight hair line.  Let W encodes Widow peak. And W allele…

Q: What is the difference in the studied skin color gene between dark skinned and light skinned people?

A: Human skin color can range from the darkest brown to the lightest hues. Differences in skin color…

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: Janet and her family members have attached earlobes (recessive trait). However, her maternal…

A: According to the Mendelian inheritance the phenotype of an organism is controlled by the genes that…

Q: You are walking to school on a December morning. There is a thin layer of snow on the grass. As you…

A: An ecosystem is a natural community of living beings that deals with the external environment and…

Q: If hair color were determined by a single gene, what would be an example of the gene’s alleles?

A: An allele is an alternative form of a gene. It is always represented in a pair for a specific trait.…

Q: What is the possible explanation for why so many Europeans have lighter skin?

A: Quantitative traits are controlled by more than one genes and are also influenced by the…

Q: According to your textbook, the trend related to lighter skin pigmentation further from the equator…

A: Organisms are open systems that maintain homeostasis, are composed of cells, have a life cycle,…

Q: What is the type of genetic inheritance of color blindness? Is color blindness more frequent in men…

A: Colour blindness is a condition in which a person is incapable to see colours normally. Colour…

Q: What kind of evidence would indicate that the ability to taste PTC is inherited? Why was it…

A: Phenylthiocarbamide(PTC): It is also known as Phenylthiourea.  It is a non -toxic chemical compound…

Q: Why are men more likely than women to be color blind? Explain.

A: Genetics is a piece of science stressed over the examination of genes, genetic assortment, and…

Q: Are men more likely than women to be color blind? Why? or Why not?

A: Color blindness is a genetic disorder where the person with colorblindness is unable to see or…

Q: What is frame shifting?

A: Step 1 Mutations are unpredictable, stable, and inheritable changes that occur in the organisms due…

Q: A man and his wife both have normal vision, but their daughter has red-green color-blindness. The…

A: Sex-linked dominant: In this type the gene or condition is dominant type which means expressed in…

Q: In a father and son are both defective in red-green color vision,is it likely that the son inherited…

A: Heredity is a biological process whereby a certain genes are passed by parent onto their offspring…

Q: Joe is color blind. Both his mother and his father have normal vision, but his mother’s father…

A: Color blindness is an incurable disease in which the patient gradually loses the ability to…

Q: Do Grandchildren always have the same gene combinations that their grandparents had?

A: Inheritance is a mechanism in which one generation acquires the property of its previous generation.…

Q: Joe is color blind. Both his mother and his father have normal vision, but his mother’s father…

A: The alleles are generally of dominant and recessive type and some other forms like codominant and…

Q: A family of mice living in a small cage had babies with white fur coloring and brown fur coloring.…

A: Grandparents' genes can affect how their grandchildren look.

Q: What are recessive conditions? What are dominant conditions? Why are recessive conditions more…

A: Individuals receive two versions of each gene, known as alleles, from each parent. If the alleles…

Q: Joe is color blind. Both his mother and his father have normal vision, but his mother’s father…

A: Inheritance or heredity is passing-on one trait form the parents to the progeny by either asexual…

Q: Would you use gene therapy to enhance your basic traits such as height, intelligence and athletic…

A: Gene therapy is the technique that is involved to introduce the functional gene into the cells of…

Q: Why is colorblindness more common in males than in females? fathers pass colorblindness alleles only…

A: Colorblindness is also called color vision deficiency. In this disease, there is decreased ability…

Q: Why is inheritance of eye color more complex than just having either blue or brown eyes?

A: Eye colour is a genetically inherited trait that is influenced by more than one gene.  There is…

Q: Is race a valid, biologically meaningful concept? Why or why not?

A: A biological race is a taxa in taxonomic hierarchy that is placed after subspecies level. A race…

Q: Why Are Siblings So Different?

A: The process by which an organism gives rise to offspring is known as reproduction. Two parents, male…

Q: The photos below show two types of ear lobes. Free ear lobe (F) 1s domınant to attached ear lobe (a)…

A: Homozygotes are the ones with identical alleles of a gene. Heterozygous ones have two different…

Q: Why is the color blindness gene still common in today's population?

A: Color blindness: It is a genetic disease caused due to mutations on the X-chromosome. color…

Q: In Genetic Variation, how do some people have red hair through viable errors

A: Genetic variation can usually include the differences between individuals or differences between…

Q: Which of the following traits or diseases is(are) determined bynuclear genes?A. Snail coiling…

A: The disease is a sickness or illness characterized by specific symptoms and signs. There are four…

Q: How two genetically identical twins are not really identical?

A: The identical twins formed from the same sperm and same egg from their parents.In early stage of the…

Q: Joe is color blind. Both his mother and his father have normal vision, but his mother’s father…

A: The transfer of genetic data from parents to its offspring is known as inheritance. Genetic diseases…

Q: Abraham is adopted. He has hair on the back of his hand (dominant trait). Could both of his parents…

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: If identical twins share 100% of the same genes, why do they have different fingerprints?

A: There are two kinds of twins namely the monozygotic twins and the dizygotic twins. Identical twins…

Q: 1.4 Why is that siblings don't look identical to each other?

A: Every human being has a set of chromosomes. Basically, a chromosome is a package that contains the…

Q: Give 2 features that you inherited from your mother/father. Give 2 features that are affected by…

A: Genes, DNA, Chromosomes all define the hereditary characteristic of an organism. Chromosomes are…

Q: Color-blindness is a sex-linked trait. A boy, whose parents and grandparents had normal vision, is…

A: Color blindness is a sex-linked trait which implies that the trait is inherited on X-chromosomes.

Q: Do you think albinism is caused by a dominant or recessive allele?

A: Albinism is a condition where the production of melanin is affected. Melanin is a pigment that gives…

Q: The A and B alleles code for different forms of the enzyme ___(two words) that recognize different…

A: Chemicals are proteins that go about as organic impetuses (biocatalysts). Impetuses speed up…

Q: How does the chemical structure of the carbon atom account for the differences between the male and…

A: Initially the sex is determined by xy chromosomes in males and the female sex is determined by x x…

Q: The image below shows the possible outcomes for eye color based on two different eye color parents.…

A: Mendel uncovered the fundamental laws of heredity. His experiments demonstrated that the inheritance…

Q: Two normal visioned parents have a color-blind son. Give the genotype of both parents and the son.

A: Answer: COLOR BLINDNESS = It is the X linked recessive disease which can be transferred from parents…

Q: Joe is color blind. Both his mother and his father have normal vision, but his mother’s father…

A: Introduction: To study the inheritance of genes or characters in the humans, pedigree analysis is…