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…
Why is it really uncommon to have brown eyes with red hair?
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- Why is the color blindness gene still common in today's population?Emily and Jack were so excited at the birth of their baby Mark.“Jack, he’s just so perfect! Just one problem though, it looks like he has your hairline!” Emily teased her husband who, though only 32, was balding.“Emily, I spent all that time painting the baby’s room and I just hope that he’s not color blind like your father or he won’t be able to see it!” Jack responded.Both the pregnancy and delivery had been uneventful. But in the back of their minds, they really were worriedbecause their first child, Sean, died at the age of nine days.By the fifth day after birth, Mark began to have trouble nursing and by the seventh day he had completely stopped feeding. Emily and Jack were frantic because it seemed to them that Mark might also die.“What is going on with our family? Another sick baby?” Jack thought to himself.Emily and Jack rushed him to the emergency room. Although Mark's limbs were rigid and he had had a seizure, the examination showed no infection and his x-rays were normal. The…Emily and Jack were so excited at the birth of their baby Mark.“Jack, he’s just so perfect! Just one problem though, it looks like he has your hairline!” Emily teased her husband who, though only 32, was balding.“Emily, I spent all that time painting the baby’s room and I just hope that he’s not color blind like your father or he won’t be able to see it!” Jack responded.Both the pregnancy and delivery had been uneventful. But in the back of their minds, they really were worriedbecause their first child, Sean, died at the age of nine days.By the fifth day after birth, Mark began to have trouble nursing and by the seventh day he had completely stopped feeding. Emily and Jack were frantic because it seemed to them that Mark might also die.“What is going on with our family? Another sick baby?” Jack thought to himself.Emily and Jack rushed him to the emergency room. Although Mark's limbs were rigid and he had had a seizure, the examination showed no infection and his x-rays were normal. The…
- Emily and Jack were so excited at the birth of their baby Mark.“Jack, he’s just so perfect! Just one problem though, it looks like he has your hairline!” Emily teased her husband who, though only 32, was balding.“Emily, I spent all that time painting the baby’s room and I just hope that he’s not color blind like your father or he won’t be able to see it!” Jack responded.Both the pregnancy and delivery had been uneventful. But in the back of their minds, they really were worriedbecause their first child, Sean, died at the age of nine days.By the fifth day after birth, Mark began to have trouble nursing and by the seventh day he had completely stopped feeding. Emily and Jack were frantic because it seemed to them that Mark might also die.“What is going on with our family? Another sick baby?” Jack thought to himself.Emily and Jack rushed him to the emergency room. Although Mark's limbs were rigid and he had had a seizure, the examination showed no infection and his x-rays were normal. The…Both parents love strawberry blonde hair but hate the fact they can touch their noses with their tongues. What are the odds their child will be a strawberry blonde non-nose touching individual?Three people are diagnosed with different types of cancer. One is a lifelong smoker and has lung cancer, one has active Crohn disease and colorectal cancer, and the other is a farmer with newly diagnosed melanoma. What do these individuals have in common?
- Mary and Ron don’t have albinism. However, is it possible for them to have a child with albinism? Explain.I don't understand homozygous dominant. I feel like there would be two brown haired kids and two blonde haired kids, but I'm not sure how to figure in Black hair with homozygous dominant. thanks for any help.A man and woman both have brown eyes. One of their children has blue eyes. How is that possible? Include a Punnett square in your explanation.
