In chickens, cock feathering is an autosomal recessive trait that is limited to males. Is it possible to cross a cock-feathered male with a hen-feathered female and get male progeny that are cock-feathered? Explain your reasoning.

Q: In humans, baldness (Xᵇ) is a recessive sex-linked trait. Two people with normal hair (Xᴮ) have a…

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

Q: cross between two heterozygotes fruit flies with purple eyes and white bodies (EeBb) results in 4…

A: Parent 1: EeBbParent 2: EeBbEye color : EeHomozygous dominant (EE): Purple eyesHeterozygous (Ee):…

Q: In cats, long hair is recessive to short hair. A true-breeding (homozygous) short- haired male is…

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

Q: affected daughters dominant Because all sons This trait shows a vertical inheritance pattern, which…

A: Pedigree charts analyze the inheritance of a trait or disorder down the family tree. It also shows…

Q: Suppose that the short allele is a meiotic drive gene, and 80% of the gametes from a heterozygous…

A: Introduction  Inheritance is the ability of organisms to pass on qualities to their offspring…

Q: Draw a three-generation pedigree of an Autosomal Dominant family, with three children for every…

A: Pedigree analysis is a useful approach for understanding hereditary disorders in humans. Pedigree…

Q: In fruit flies, an X-linked recessive mutation called vermillion (v) results in vermilion (bright…

A: Sexual dimorphism in male and female drosophila facilitates the study of sex-linked inheritance…

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: Inigo Montoya is healthy but his mother had the recessive condition, cystic fibrosis, which is…

A: Cystic fibrosis is a disease that is inherited in an autosomal recessive manner. An affected…

Q: Consider the cross of a homozygous white & horned male with a homozygous black & hornless female.…

A: Given that white coat (W) is dominant over black coat (w). Also, horns are dominant in males and…

Q: Harbour seals are an aquatic mammal found in many oceans. In seals the gene E is X-linked and F,G,…

A: Mammals have XY sex determination system. Aquatic mammals would also have the same sex determination…

Q: Wild type fruit flies have grey bodies and straight wings. Yellow bodies and curly wings are both…

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

Q: We know that the most common form of color blindness results from an X linked recessive gene. A…

A: Colour blindness is an X linked recessive disorder.

Q: A cat is born with two X chromosomes and one Y chromosome. One of the X chromosomes carries the…

A: The fur color of the cats are generally controlled by genes present on the X-chromosome. One form of…

Q: In flies, long wings (W) are dominant to short wings (w). Two homozygous recessive are crossed.

A: Genetic inheritance is the process of transfer of gene from the parent to progeny  Factor affecting…

Q: White eye color is a recessive sex-linked trait in fruit flies. If a whiteeyed Drosophila female is…

A: Genes are the hereditary unit of an organism. The DNA (deoxyribonucleic acid) forms the genes. DNA…

Q: If a pure breeding(homozygous) black(dominant), longhaired (recessive) cat is made of pure breeding…

A:

Q: Martin and Sue are contemplating having children, but Martin’s brother has an autosomal recessive…

A: A trait, disorder, or disease can be passed down through families in several ways. Autosomal…

Q: Erminette fowls have mostly light colored feathers with an occasional black one, giving a flecked…

A: In this question, we are given a total progeny of 48 out of which 22 are Erminette, 14 black and 12…

Q: Below is a pedigree of a rare human genetic disease in which stricken individuals are solid-colored.…

A: There are five modes of inheritance and they are X-linked dominant, X-linked recessive, autosomal…

Q: Long ears in rabbits is an autosomal dominant trait. You cross a rabbit that is heterozygous for…

A: INTRODUCTION Heterozygous They have two different allele for a trait. Homozygous They have two same…

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: In the following pedigree of an X-linked recessive trait, what is the likelihood a child will be…

A: X linked recessive inheritance is a type of inheritance in which mutation occurs in both the X…

Q: John Legend and Chrissy Teigen are looking to have another child. However, they’re wondering how…

A: When only one single traits are compared in a punnet square, it is said to be a monohybrid cross.…

Q: A purple flowered plant is crossed with a blue flowered plant. The progeny is composed of both…

A: A monohybrid cross is a cross between two people that have homozygous genotypes, or genotypes of…

Q: Fruit flies with one allele for curly wings (Cy) and one allele for normal wings (Cy+) have curly…

A: If a Fruit fly has one allele for curly wings (Cy) and one allele for normal wings (Cy+), then its…

Q: Consider an autosomal dominant trait with reduced penetrance and complete expressivity. What might…

A: An autosomal dominant trait is a genetic condition where the presence of a single copy of the…

Q: In rats, black fur color is dominant to white fur color, and pointy ears are dominant to round ears.…

A: Introduction The relationship between two gene variants is referred to as dominant. Each parent…

Q: In goats, a beard is produced by an autosomal allele that is dominant in males and recessive in -…

A: Introduction: The process by which a kid inherits genetic information from a parent is known as…

Q: Assume that long fingers are Inherited as a recessive trait with an 80% penetrance.  Two people…

A: The percentage of people with a specific genotype who also displayed the predicted phenotype is…

Q: Small ear is an autosomal recessive trait in rabbits. You cross two rabbits that are heterozygous…

A: A gene is a unit of genetic material and alleles are the alternative form of genes present at the…

Q: In the cross between a female AaBbccDdee and male AabbCcDdee, what proportion of the progeny are…

A: In this type of genetic cross, each gene is crossed separately and probability of the desired…

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: 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: 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: A man and a woman are both carriers for cystic fibrosis (an autosomal recessive allele).  Neither of…

A: Introduction Cystic fibrosis is a life-threatening genetic disease that affects the lungs and…

Q: Your significant other is a big fan of hamsters due to their appearance and you eventually gift them…

A: The probability of any genotype or phenotype can be calculated with the help of punnet square  For…

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

A: The organisms with two same alleles at a genetic locus is called as a homozygote. The organism with…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.