19. Hemophilia is a sex-linked trait where X" gives normal blood clotting and is dominant to the hemophilia allele xh. a. Give the genotypes of 1) a woman with normal blood clotting whose father had hemophilia and 2) a normal man whose father had hemophilia.

Q: What sex ratio would you expect among the offspring of a cross between a normal mape mouse and a…

A: Sex ratio is defined as the ratio of males and females in the population. Generally in sexually…

Q: Explain X-linked genetic inheritance.

A: Genetics is a piece of science stressed over the examination of genes, genetic assortment, and…

Q: What is the most likely mode of inheritance for the attached pedigree?

A: Pedigree analysis is the process by which we can clearly analyse and observe the mode of inheritance…

Q: Could a woman with the X-linked color-blind trait have a son without colorblindness? Use a Punnett…

A: The mechanism of the transfer of genetic material from parent to an infant is the process of…

Q: In dosage compensation, do males sometimes overcompensate or is it always Barr body X-chromosome…

A: Dosage compensation is the process by which the organisms equalizes their genetic expression between…

Q: is C correct? because females can also inherit x-linked traits, they won’t express it but they’ll be…

A: A gene is considered to be X-linked if it is found on the X chromosome and not on the Y chromosome.…

Q: Describe the consequences of an extra copy ofchromosome 21 (Down syndrome).

A: The genetic disorder is caused due to abnormal cell division with an extra copy of chromosome 21.…

Q: Explain how X-linked inheritance differs from inheritance ofautosomal traits.

A: X-linked inheritance There are two possibilities if it inherit in dominant and the recessive.…

Q: In humans, hemophilia is an X-linked recessive gene and will only be expressed in females if  they…

A: Hemophilia is a X linked recessive disorder so which is inherited in homozygous condition. In rare…

Q: Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a…

A: Dihybrid cross involves two genes in a cross. That's why the two traits are involved in this cross.

Q: The genotypes of a man and a woman are shown in the figure for an autosomal gene and an X-linked…

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

Q: Why dominant negative mutation shows the haploinsufficiency  ?

A: A mutation is a change that occurs in our DNA sequence, either due to mistake when the DNA is copied…

Q: Chromosomal reshuffling is the main reason behind the differences in siblings.How does it happen and…

A: Cell division is a process in which the cell divides into two and the components of the mother cell…

Q: Discuss the genetic determination of sex and the inheritance of X-linked genes in mammals.

A: Humans have 23 pairs of chromosomes in their body, among which 22 pairs are the somatic chromosomes,…

Q: Briefly discuss Mendelian Inheritance with that of crossing-over.

A: The Mendelian genetics gives us idea about the inheritance of genetic materials from the parents to…

Q: Are any of them X-linked recessive or X-linked dominant?

A: In X-linked dominant inheritances, one affected X allele is enough to form the trait in both male…

Q: Direction: Give the inheritance pattern using Punnet Square. Use another sheet if needed and paste…

A: First the gamete formation from each of the parents would be similar as their genotype is also…

Q: How can you distinguish the autosomal dominant and X-linked dominant inheritance patterns from each…

A: Inheritance means the transmission of genetic traits from one family member to another family…

Q: Why is karyotype done at metaphase?

A: Meta means middle, phase means stage. Metaphase is the middle stage of cell division. Karyotype is…

Q: A man has ichthyosis, an X-linked recessive trait that causes him to have dry scaly skin all over…

A: X-inactivation, also known as lyonization, is a crucial process in female mammals that helps balance…

Q: What is a Barr body? How is its structure different from that ofother chromosomes in the cell? How…

A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…

Q: 3. Show the cross of a white eyed female X'X'with a red-eyed male X RY .

A: Given DataWhite-eyed female: Xr Xr  Red-eyed Male: XR Y

Q: Describe the basis for chromosome mapping in the Hfr * F- crosses.

A: Hfr chromosome is formed by integration of the F-plasmid into the bacterial chromosome.  The point…

Q: Outline the process of X-chromosome inactivation.

A: The X-chromosome contains approximately 1000 genes, which are necessary for the proper development…

Q: In the sex-linked inheritance pattern of hypertrichosis, a man who carries an X-linked allele will…

A: Hypertrichosis is a sex-linked trait which means that it is caused by a gene located on the X…

Q: Genomic imprinting refers to the inheritance of:   Question 16 options:   Gamete…

A: The correct answer is:Gamete specific DNA methylating marks during meiosis.Genomic imprinting refers…

Q: The gene for colorblindness is 1 - located on the X chromosome 2 - located on the both X and Y…

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

Q: Wild type flies have gray bodies and red eyes. A fly exhibiting the autosomal recessive traits ebony…

A: According to the guidelines of Bartleby,Since multiple questions are posted, only the first question…

Q: This is the only combination of sex chromosomes that is lethal XXy (47) y-only (45) Xyy (47) X-only…

A: Changes in chromosome number (gains and losses) and changes in structure are examples of chromosome…

Q: Multiple Choices: At the replication fork, new DNA is synthesized by a:  -RAS-RAF pathway…

A: This is the area where the actual DNA replication takes place.

Q: >chromosomal…

A: Codons are trinucleotide sequence that codes for specific amino acids and there are totals of 64…

Q: Explain how human cells compensate for the X-linkedgene dosage difference in XX and XY nuclei.

A: A sex chromosome is a chromosome that differs from an ordinary autosome in form, size, and behavior.…

Q: Describe how X-linked traits are inherited and explain how X-linked inheritance is different from…

A: Inheritance is the process by which the genetic information is passed on from the parent to child.

Q: When expressing X-linked recessive gene notation, how should the notation be written.  Should I use…

A: X-linked recessive inheritance is a type of inheritance in which a mutation in a gene on the X…

Q: What is x linked genes?

A: DNA and RNA are nucleic acids that are capable of transmitting hereditary information from one…

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.