In a species of dog, a mutant gene that causes deafness is found on the Y chromosome. What type of offspring will be produced between a cross of male dog whose father is deaf, and female dog whose father is not deaf?

Q: A man who is an achondroplastic dwarf with normal vision marries a color-blind woman of normal…

A: Achondroplastic dwarfism is an autosomal dominant inherited disorder which causes a type of…

Q: In peas, purple flowers are dominant to white. If a purple flowered, heterozygous plant were crossed…

A:

Q: If you had a fruit fly (Drosophila melanogaster) that was of phenotype A, what cross would you make…

A: The Chromosomal Theory of Inheritance, as given by Sutton and Boveri, states that the genes are…

Q: Following a cross between two, dihybrid, heterozygous individuals, what fraction of the offspring…

A: In the question, it is given that the cross is made between the two dihybrid heterozygous…

Q: A human female who is heterozygous of the sex-linked trait causing red-green color blindness marries…

A: As a sex-linked characteristic, colour blindness is caused by a gene which is found on the sex…

Q: If a homozygous recessive individual is crossed with a homozygous dominant individual, what percent…

A: If a homozygous recessive individual is crossed with a homozygous dominant individual, then there…

Q: What is a monohybrid cross, and what are the genotypic andphenotypic ratios expected in the…

A: BASIC INFORMATION USED IN GENETICS  HETEROZYGOUS - Every gene has two characters one being the…

Q: Assume gene B and gene R assort independently.  If gene B determines flower color (B=blue and…

A: Dihybrid cross is a cross between two genes or different lines in two observed characteristics. The…

Q: In a parental cross of a ADHL disease trait, where the father is affected and the mother is…

A: ADHL disease is a autosomal dominant trait

Q: In pea plants, the color yellow is dominant over the color green. If a homozygous yellow plant is…

A: Gregor Johann Mendel was an Austrian Monk, who is known as the father of genetics published the…

Q: If Y is the allele for the dominant yellow seed color and y is the allele for the recessive green…

A: An individual receives two variants of each gene from each parent, which are known as alleles. These…

Q: Duchenne muscular dystrophy (DMD), marked by muscular degeneration, results from an X- linked…

A: Duchenne muscular dystrophy is a X- linked inherited disease which is characterized by degeneration…

Q: In humans, brown eyes (B) are dominant over blue. A brown eyed man marries a blue-eyed (b) woman and…

A: The phenotype of an individual is determined by his or her genotype. The genotype is determined by…

Q: Sex-linked inheritance involves the genes on the sex chromosomes. Because inheritance patterns…

A: X-linked diseases is those diseases that are caused by traits that are present in X-chromosomes.…

Q: Let’s suppose gene A and gene B are closely linked to each other. An AaBb individual (with the…

A: Given,  gene A and gene b are linked closely to each other. An individual with genotype AaBb is…

Q: In mice the autosomal genotype yy is for gray fur, YY is for brown fur and Yy is for yellow fur.…

A: DNA ( deoxyribonucleic acid) is the genetic material that the organism inherits from the parental…

Q: This is a typical pedigree for a family that carries neurofibromatosis. Is individual I-2 most…

A: Pedigree analysis can help to determine genotypes, identify phenotypes, and predict how a trait will…

Q: In guinea pigs, black is the dominant fur color. If one half of a litter is white and half of the…

A:

Q: The genes for the eye-color of fruit flies are located in their X chromosome, or X – linked. (R…

A: According to the question, we have to answer the following questions -  The genes for the eye color…

Q: In cocker spaniels, curly hair is dominant to straight hair. Two heterozygous dogs are crossed. List…

A: The objective of the question is to determine the possible genotypes of the offspring when two…

Q: A man who is an achondroplastic dwarf with normal vision marries a color- blind woman of normal…

A: ANSWER;- The probability that she is heterozygous for both genesis 100%

Q: In a cross between two, dihybrid, heterozygous individuals, what fraction of the offspring will be…

A: dihybrid organism is one that is heterozygous at two different genetic loci.

Q: Hemophilia is an X-linked recessive gene. A normal woman who is a carrier for hemophilia marries a…

A: Hemophilia is a disorder in which blood can’t clot properly, excessive bleeding (external and…

Q: When Mendel crossed yellow-seeded and green-seeded pea plants, all the offspring were yellow-seeded.…

A: Given: Mendel crossed yellow-seeded and green-seeded pea plants, all the offspring were…

Q: In pea plants, the color yellow is dominant over the color green. If a homozygous yellow plant is…

A: Dominant trait  Yellow color (Y) Recessive trait Green color(y) Cross is between homozygous…

Q: What is the result of crossing a black male cat (Nn) and a black female cat (Nn)

A: If a black male cat having allele Nn is crossed with with female cat having allele Nn Suppose N…

Q: Two mice with gray fur are crossed. They produce 15 gray, 8 black, and 6 white offspring. In one…

A: The phenotype of an organism refers to its physical traits or appearance. The set of genes in an…

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: Polydactyly is an autosomal dominant condition in which an individual is born with more than five…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: Acatalasia is caused by a rare autosomal recessive gene. In heterozygous condition catalase activity…

A: Acatelasia is a genetically inherited disorder that causes lowering or absence of production of the…

Q: You have set up a fly cross between red-eyed male flies and white-eyed female flies. Several days…

A: The objective of the question is to determine the most likely genetic inheritance pattern for the…

Q: In guinea pigs, the gene for black coat color is dominant to the gene for white coat color. What…

A: The transfer of character from parents to offspring is known as inheritance. The genes for coat…

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

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

Q: Identify how many genes are associated with the types of crosses: A.) Monohybrid B.) Dihybrid

A: * Monohybrid cross is a cross between two organisms with different variations at one gene locus.…

Q: Red eyes is the wild-type phenotype in Drosophila, and severaldifferent genes (with each gene…

A: Drosophila melanogaster is a common fruit fly. It is most common subject used in majority of genetic…

Q: In a particular plant, green seed color is dominant to yellow seed color. If all of the offspring of…

A: Since the green seeds are dominant to yellow, the allele for green seeds can be represented with…

Q: The pedigree above shows inheritance of inability to taste PTC (shaded individuals cannot taste it),…

A: The given pedigree shows presence of affected child (III-5) from unaffected parents (II-5 and II-6).…

Q: A man with blood type O (genotype ii) has a father with blood type A and a mother with blood type B.…

A: In human blood group typing, the ABO system of blood grouping is used.  The Blood groups are A, B,…

Q: In the clover butterfly, males are always yellow, but females can beyellow or white. In females,…

A: Introduction: Genetic cross is a way to determine the combination of genotypes and hence phenotypes…

Q: In a parental cross of a autosomal dominant homozygous lethal disease trait, where the father is…

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

Q: in a test cross, a pure-breeding plant is crossed with a plant suspected to be heterozygous (Aa).…

A: A test cross is defined as the genetic cross that occurs between a homozygous recessive individual…

Q: In flowers, purple flower color is dominant and denoted by "P" while white flower color is recessive…

A: From the experiments of the monohybrid cross and its outcome, Mendel’s law of segregation was…

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

A: Colorblindness is a sex linked disease in which the X chromosome is affected. In this type of…

Inheritance and Mendelian Genetics

Inheritance means the passing of traits to offspring from parents. These traits could be passed either through asexual reproduction or sexual reproduction. The offspring receives the genetic material from the parents. Mendelian inheritance is a certain biological inheritance that follows the rules and principles laid down by Gregor Mendel in 1865. The initial hypothesis was considered wrong, but other inheritance theories modified the concept of inheritance and thus genetics.