A human karyotype showing 22 pairs of autosomes and two X chromosomes would be O a. a normal male. O b. a normal female. O c. an abnormal male. O d. an abnormal female. O e. a human whose sex cannot be determined.

Q: Imagine a human trait that is inherited via genetic maternal effect and found on the X chromosome…

A: It is given that the trait is X linked recessive. It means the trait is found when all X chromosomes…

Q: По Unaffected Male Unaffected Female 3 25% O 100% O 50% O 75% Affected Male Affected Female 1 5 2 6…

A: Given: A pedigree. The pedigree is for the X-linked dominant trait. The likelihood that individual…

Q: In humans, the number of chromosomes per set equals 23. Eventhough the following conditions are…

A: Chromosomes are the thread like structures which contains packed DNA present inside the nucleus of a…

Q: what is the likelihood that a male will inherit a sex-linked mutation on the X chromosome from his…

A: Chromosomes are the thread-like structures situated inside the nucleus of the cell. They are made up…

Q: Which of the following statements is correct? Organism Horse Dog Cat Human Select one: OA. The ovum…

A: Chromosomes are thread-like structures found within the cells of living organisms, carrying genetic…

Q: Hemophilia is an X-linked recessive trait in humans. If a heterozygous woman has children with an…

A: Hemophilia is an X-linked recessive genetic disorder in which the blood does not clot properly and…

Q: Crossing over means the same as:   a. incomplete dominance   b. the process by which pieces of…

A: Genetics is a branch of the biology involved in the study of genes, genetic variation, and heredity…

Q: Mendel proposed the Principle of Independent Assortment based on results from which type of…

A: 1.) The correct option is: dihybrid cross, The Law of Independent Assortment, as Demonstrated by…

Q: meiosis，4 cells are produced and each cell are unique daughter cell.However isn‘t it true that…

A: Meiosis is a type of cell division which undergoes two successive devision. Meiosis 1st ( reduction…

Q: In a particular dihybrid (T/t, B/b) the alleles of the "T and "B"genes indicated in the figure below…

A: Meiosis is a process where a single cell divides twice to produce four cells containing half the…

Q: An expecting mother underwent a fetal blood test to determine if her unborn child has a genetic…

A: Introduction:-

Q: The genotype of an individual with the dominant phenotype can bedetermined best by reproduction…

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

Q: Human sex-linked disorders in which male children are affected and female children are carriers are…

A: Sex-linked or X-linked disorders mainly affect the males. Some sex-linked disorders are colour…

Q: An exchange of chromosomal segments between two nonhomologous chromosomes is a/an Select one: O a.…

A: The genes are present in the chromosomes of the cell. The chromosomes are thread-like structure that…

Q: If a recessive mutation occurs in a male on an X chromosome versus a Y chromosome, leading to…

A: The males have two different sex chromosomes, X and Y. The females have only a single type of sex…

Q: Assume that a trait is determined by an X-linked dominant gene. Ifthe mother exhibits the trait but…

A: X-linked dominant disorders can be described as abnormalities that occur due to mutations in the…

Q: With regard to linked genes on the same chromosome, whichof the following statements is false?a.…

A: Genes are the basic structural and functional unit of heredity. They carry coded genetic information…

Q: Which of the following is the most common type of chromosomal disorder? O a. Kleinfelter's Syndrome…

A: Any syndrome produced by an aberrant chromosome number or constitution, marked by deformities or…

Q: When analyzing a normal human male karyotype, all of the chromosomes can be sorted into homologous…

A: Genetics is a study of genes, heredity, and genetic variation in an organism. Living organisms…

Q: Chromosomal nondisjunction of the X chromosome in female gametes of humans means that live offspring…

A: Nondisjunction of X chromosomes during meiosis I will result in four abnormal gametes. Two gametes…

Q: What biological mechanism allows humans with an XXX genotype to be healthy individuals?

A: Answer. Option (c) X inactivation

Q: Which of the following types of chromosomal changes would youexpect to have phenotypic consequences?…

A: Chromosomes carry the genetic material DNA. Chromosomes may undergo rearrangements that are the…

Q: Genes G and H are located on chromosome 18. A woman with the genotype Gg Hh has a child with a man…

A: Nondisjunction refers to the failure of homologous and sister chromatids to divide.

Q: Karyotypes can be used to: Map an individual's chromosomes Il. Determine genetic mutations Ill.…

A: Karyotype is  process in which the chromosome of an individual is paired and kept in orderly…

Q: Because it is smaller in size than the x-chromosome, the Y chromosome has no functional value in…

A: Sex chromosomes are a pair of chromosomes that play a crucial role in determining an individual's…

Q: We know that human blood type is determined by a three-allele system at a single locus. For the…

A: An person's genotype determines his or her phenotype. The alleles a person inherits from their…

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.