Which of the following patterns is typical of an X-linked recessive trait? males and females are equally likely to be affected affected mothers cannot have affected daughters affected mothers cannot have affected sons even though the trait is recessive, it cannot skip generations because of its pseudodominant expression in males affected daughters must have affected fathers

Q: Which of the following statements best described X-linked inheritance patterns? Men are usually the…

A: Inheritance patterns refer to the ways in which genes and traits are passed down from parents to…

Q: The gene for white eye colour is present on the X- chromosome in Drosophila, and is a recessive…

A: The gene for white eye color is present on X-chromosome in Drosophila which suggests that the gene…

Q: Duplicative recessive epistasis: O Only needs to be recessive at one gene Results in a 12:3:1 ratio…

A: Genetics is the branch of science that helps in the study of genes, heredity, and genetic disorders.…

Q: Your friend tell you that he has a calico cat that is male even though you have learned that calico…

A: Calcio cats are generally female in nature and they have tricolor coat of fur.This colouring of fur…

Q: Which statements describe Y-linked traits? At least 50% of the male and female offspring will…

A: Y-linked, also known as holandric inheritance (from Ancient Greek hólos meaning"whole" , andrós…

Q: Tay Sach's disease results from a mutation in the hexosaminidase A gene.  Heterozygotes are normal.…

A: Correct option is recessive lethal .

Q: Hypospadias, a birth defect in human males in which the urethra opens on the shaft instead of at the…

A: Urethra is a structure which carries both urine and sperm in male reproductive system and it opens…

Q: Complete the pedigree provided to depict transmission of an X-linked recessive trait, by filling in…

A: The pedigree indicates if the DNA is passed down unchanged from generation to generation. It can…

Q: DUCHENNE MUSCULAR DYSTROPHY IS AN X-LINKED RECESSIVE TRAIT THAT CAUSES PROGRESSIVE MUSCLE WASTING.…

A: The genetic disease Duchenne muscular dystrophy (DMD) which usually affects boys, causes progressive…

Q: In fruit flies, eye color is an x-linked gene where red eyes are dominant (E) and  white eyes are…

A: Genetic illnesses connected to X-linked dominant inheritance include those caused by genetic…

Q: Hemophilia is a recessive disease carried on the X chromosome. If an unaffected carrier mother had…

A:

Q: In humans, at least one gene produces melanin skin pigment in response to UV radiation (that is,…

A: Pleiotropy refers to the expression of various traits produced by a single gene. The gene that…

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: For sex-linked recessive traits, only females can be “carriers”, like how both Diana and Olivia are…

A: Hemophilia is defined as a rare bleeding disorder which is also known as sex-linked recessive…

Q: Which type of inheritance is described here? A gene on chromosome 2 in mice can cause males to lose…

A: Autosomal traits that are affected by sex are known as sex-influenced traits. If a male has one…

Q: Recessive (in combination with a WT allele) Dominant (in combination with a WT allele)…

A: A gene is the basic functional unit of inheritance. It is made up of DNA. Genes are transferred from…

Q: What is nondisjunction? Why does it cause chromosomal abnormalities? What is aneulploidy? Trisomy?…

A: Nondisjunction is the failure of chromosomes to seperate, which produces daughter cells with…

Q: What type of inheritance is being described here: One allele for a gene is not completely dominant…

A: Genes are the part of DNA and act as the carriers of genetic information which help in determining…

Q: Which of the following statements about X-linked recessive inheritance is true? X-linked recessive…

A: The objective of the question is to identify the correct statement about X-linked recessive…

Q: Cystic fibrosis is an autosomal recessive disorder that affects 1 in 3 000 newborns with Caucasian…

A: Cystic fibrosis (CF) is an inherited disorder that causes severe damage to the lungs, digestive…

Q: Two parents who do not have color blindness have a daughter who has only one X chromosome and is…

A: The Color blindness (color vision deficiency) is the decreased ability to see color or differences…

Q: In cells with more than one X chromosome, one X chromosome is inactivated. The opsin1 gene is on the…

A: In individuals with two X chromosomes, a phenomenon known as X chromosome inactivation occurs,…

Q: Why are there so few Y-linked traits in humans?

A: The study of genetic variations, heredity, and genes is called genetics.

Q: Assume that a disease called Disease B is known to be x-linked but we don’t know if it’s a dominant…

A: A disease called Disease B is known to be x-linked. But if it is dominant or recessive can be…

Q: The human female has two X chromosomes. In which of the following ways will x-linked traits be…

A: X and Y chromosomes are sex chromosomes. The female has two X chromosomes and the male has XY…

Q: Which of the following disorders in humans has an X-linked recessive inheritance pattern?…

A: X-linked inheritance means that the genetic mutation is located on the X chromosome.  A female…

Q: In a human population of 10,000 individuals (5000 men and 5000 women) the number of males affected…

A:

Q: Albinism, lack of pigmentation in humans, results from an autosomal recessive gene. Two parents with…

A: Albinism is an autosomal recessive trait that follows Mendelian Laws of inheritance. It can skip…

Q: Lesch-Nyhan syndrome is caused by a X-linked recessive mutations. Accordingly, Lesch-Nyhan syndrome…

A: Lesch- Nyhan syndrome is caused by the X linked genes. The symptoms includes banging head,…

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.