A trait caused by a recessive autosomal allele will result in a pedigree that must show affected individuals having at least one affected parent. Select one: a. True. b. False.

Q: A monohybrid cross is a mating where alleles of just one gene are tracked in the offspring.  A test…

A: A test cross helps to determine or check the zygosity of a particular individual. In this type of…

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: A man and both his parents are affected with a disease. His older brother is unaffected. This man…

A: The genes are the primary unit of life. The nucleotide sequence of the genes are responsible for…

Q: A person with sickle-cell anemia marries a healthy person without sickle cell anemia.  They have a…

A: Sickle cell anemia is a red blood disorders where the mutation caused some of the RBC to have sickle…

Q: Based on your updated mode of inheritance, the team asks you to do some probability…

A: This pedigree is following X linked inheritance pattern. In this kind of inheritance pattern…

Q: Which of the following states a valid conclusion based on the pedigree above?

A: Red green colour blindness is a X linked recessive disease. In this disease, due to deficiency of…

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: A man has blood type A. His mother had type O. His wife has blood type B and her father had blood…

A: On the basis of antigen A and B present on the RBC of our blood, four types of blood groups are…

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: You have been hired to produce a family tree for three generations of a family where a disorder…

A: Introduction: A pedigree is a diagram that shows the genotypes and phenotypes of organisms from one…

Q: You are studying a newly discovered gene, whose alleles code for one of two phenotypes, either…

A: Inheritance pattern is a type of pattern which determines how traits are passed on from parental…

Q: A newly described rare and potentially fatal condition causes heart rate to be unusually low in…

A: A pedigree is a family tree or chart made of symbols and lines that represent a person's genetic…

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: A polygenic trait has three loci.  How many dominant alleles will the offspring of Eduardo (AABBCC)…

A: Polygenic traits are controlled by multiple genes. They interact together to influence a phenotypic…

Q: Consider a situation where you have a parental cross with the mother and father phenotypes listed…

A: In genetics, understanding the mode of inheritance of a trait is pivotal for deciding how certain…

Q: Farah breeds and sells true-breeding black salamanders.  At a salamander convention, she purchased a…

A: The phenotype of an organism is  dependent on the expression of the alleles. The alleles are the…

Q: A MAN HAS BLOOD TYPE A. HIS MOTHER HAD TYPE O. HIS WIFE HAS BLOOD TYPE B AND HER FATHER HAD BLOOD…

A: On the basis of antigen A and B present on the RBC of our blood, four types of blood groups are…

Q: In a Punnett square for a trait (X/x) that is autosomal and inherited by the dominant allele. The…

A: We can easily predict the genotype and phenotype of progenies using punnett square.

Q: What is the most likely mode of inheritance for the trait shown in the following pedigree? Select…

A: Inheritance pattern is type of pattern which determines how traits are passed from parental…

Q: Alleles that show incomplete dominance will represent:  Choose oneAnswer: A . heterozygotes that…

A: Incomplete dominance is an important concept in the study of genetics. It refers to a circumstance…

Q: 1-C-yonce is type B. What must her genotype be? 2-What must Kay-Z’s genotype be? 3-Which parent…

A: Blood types are determined by the presence or absence of certain proteins called antigens on the…

Q: Which of the following is true of recessive sex-linked genes? A. A female showing the trait will…

A: Pedigree Tree:  It is a chart made of symbols and lines that shows the person's genetic family…

Q: Cystic fibrosis (CF) is an autosomal recessive trait. A three-generation pedigree is shown below for…

A: Given: Cystic fibrosis (CF) is an autosomal recessive trait. Normal allele =  F      CF mutant…

Q: Having a pointed hairline, or Widow’s Peak, is controlled by a dominant allele, while a curved or…

A:

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.