A young couple is planning to have children. Knowing that there have been a substantial number of stillbirths, miscarriages, and fertility problems on the husband’s side of the family, they see a genetic counselor. A chromosome analysis reveals that, whereas the woman has a normal karyotype, the man possesses only 45 chromosomes and is a carrier of a Robertsonian translocation between chromosomes 22 and 13. Q. List all the different types of gametes that might be produced by the man.

Q: Autosomal homologous chromosomes A. have identical gene locations and alleles B. are joined at the…

A: Introduction :- For genes with the same corresponding loci, homologous chromosomes are made up of…

Q: A woman who sought genetic counseling is found to be heterozygousfor a chromosomal rearrangement…

A: The type of chromosomal abbretion in given figure is Translocation.

Q: A young couple is planning to have children. Knowing that there have been a substantial number of…

A: Robertsonian translocations are defines as the structural chromosomal abnormalities that is caused…

Q: What condition results from the fusion of a normal gamete (n) and a gamete missing a chromosome (n –…

A: Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate properly…

Q: A boy with Klinefelter syndrome (47,XXY) is born to a mother who is phenotypically normal and a…

A: Meiosis is a type of cell division that occurs during gamete formation. It involves the reduction of…

Q: Inversion heterozygotes can have a higher probability of producing gametes that are abnormal in…

A: Organism consisting of an one homolog consisting of inverted Segment while another consists of…

Q: In a cell where 2n=20, nondisjunction of two pairs of chromosomes will results into what types of…

A: * Meiosis is the process in which haploid gametes fuse and from a diploid cell.  *chromosomes do not…

Q: An individual is heterozygous for a reciprocal translocation, with the following chromosomes: A • B…

A: Translocation is caused Due to separation of a chromosome segment and its union toa nonhomologous…

Q: A person with Down syndrome has three copies of chromosome 21. Which of the following words should…

A: Triploid is used for defining the genomic content of an organism so, here the genomic content is 3n.…

Q: A man who is a carrier of a translocated 15/21 chromosome marries a genotypically normal woman.…

A: Synapsis  It is the pairing of two homologous chromosomes during early stage of meiosis.

Q: boy with Klinefelter syndrome (47,XXY) is born to a mother who  is  phenotypically  normal  and  a…

A: Klinefelter syndrome is a rare disorder that is caused in males alone. It is due to the presence of…

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: During the pathoanatomic inspection of a baby-boy's dead body the following abnormalities:…

A: Chromosomal disorder are the abnormalities that arises due to alterations in chromosome arrangement…

Q: A color-blind woman with Turner syndrome (XO) has a father who is color blind. Given that the gene…

A: Given that the gene for the color-blind condition is recessive and X-linked and a color-blind woman…

Q: A human female with Turner syndrome (45,X) also expresses the X-linked trait hemophilia, as did her…

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…

Q: The incidence of Down syndrome will be high (nearly 50%) among the offspring of a parent with Down…

A: Down Syndrome is a chromosomal disorder where trisomic conditions occurs in 21th chromosom. The…

Q: In a diploid organism, two homologous chromosomes synapse at prophase 1 of meiosis.  One of the…

A: Crossing over is the process in which the exchange of genetic material takes place in a cell during…

Q: Familial Down syndrome is similar to primary Down syndrome in that it is caused by trisomy 21.…

A: thank you please give a like    if there is any Non-loaded images in answer section, it will be…

Q: specific human individual with a male sex has the same sex chromosome complement as a metafemale…

A: Metafemale: 3 sets of X chromosomes or in other words an extra X chromosome with autosomes

Q: A couple planning their family are aware that through the past three generations on the husband’s…

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

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: A patient has mental deficiency, a short stature, and the mongolian type of the eyelid fold. The…

A: A pateint has mental deficiency, a short stature, and Mongolian type of the eyelid fold. 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: Heterozygotes are often healthy individuals because these mutations do not impact the dosages of any…

A: An inversion is a chromosome rearrangement in which a segment of a chromosome is reversed end to…

Q: Explain why a person with Klinefelter Syndrome (XXY) still exhibits abnormal phenotypes despite the…

A: The human sex is determined at the time of fertilization in the fallopian tube of the female…

Q: The following image shows a Robertsonian translocation between chromosomes 13 and 21. This has the…

A: Translocation is said to the condition when one piece of chromosome attaches to another bit of…

Q: . A nondisjunction occurs in the sex chromosomes of a male mouse. What ratio of sex chromosome…

A: Nondisjunction occurs when sister chromatids and homologous chromosomes fail to separate from each…

Q: Two phenotypically normal parents produce an abnormal son in which chromosome 14 is missing part of…

A: Translocations are chromosomal rearrangements caused by the exchange of components between two…

Q: A 2n=4 plant is heterozygous at two genes, one controlling plant height (T = tall, t= short) and one…

A: Alleles do not show any blending, governments receives only one of the two factor, how much a gas…

Q: Alleles A and a are located on a pair of metacentric chromosomes. Alleles B and b are located on a…

A: A gene is the basic unit of heredity. Each gene, in humans, is composed of two alleles. Alleles are…

Q: With two pairs of homologous chromosomes, four kinds of gametes can be produced. How many kinds of…

A: Gametes are formed by the process of meiosis in the gamete mother cells.

Q: A young man went to the doctor because he had small testes and enlarged breasts. Through chromosomal…

A: Chromosomal abnormalities occur due to the duplication or deletion of the section or whole of the…

Q: Rainbow trout go through a unique genetic reproductive process. Female eggs are diploid, while male…

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Q: The STR DNA marker DS11 is located on the p arm of the chromosome #8 in humans. Molecular analysis…

A: A pattern of two or more nucleotides repeated next to each other is known as a short tandem repeat…

Q: Rainbow trout go through a unique genetic reproductive process. Female eggs are diploid, while male…

A: (Comment : As per the guidelines, we are allowed to answer one question at a time, so I am answering…

Q: During the observation of a baby the diagnosis of Down's syndrome was made. What is the main cause…

A: Normally a baby is born with 46 chromosomes.  But in case of down syndrome babies have extra…

Q: The following diagram shows 2 pairs of autosomal chromosomes in a karyotype of a biological woman.…

A: From the diagram it can be said that the left chromatid in the first pair and the right chromatid in…

Q: A couple planning their family are aware that through the past three generations on the husband's…

A: a. Inversions are quite uncommon, thus little is understood about how they affect phenotype and…

Q: Phenylketonuria is an inherited disease caused by a recessive autosomal allele. If a woman and her…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: discuss briefly  The genetics of triploidy

A: Triploidy is a rare chromosomal abnormality. It is the presence of an additional set of chromosomes…

Q: Koalas have 2n = 16 chromosomes. How many chromosomes do we find in: a. A trisomic b. A double…

A: As per our guidelines, we can answer only one question and three subparts of the same question. Here…

Q: A man with a pointed nose and a woman with a round nose have a daughter with a round nose. This…

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Q: *8.13 Mr. and Mrs. Lambert have not yet been able to produce a viable child. They have had two…

A: . Homologous chromosomes have corresponding DNA sequences and come from separate parents; one…

Q: Mohamed is a carrier for diastrophic dysplasia, which is inherited in an autosomal recessive manner.…

A: Introduction :- Crossing over is the process in which exchange of some genetic content takes place…

Q: Hi, could your please answer this question? I'm so confused.  The following diagram (picture added)…

A: Introduction Translocation means a change in location. It frequently refers to genetics, when part…

Q: In Figure 17-28, what would be the consequence of acrossover between the centromere and locus A?

A: The exchange of chromosomal segments between nonsister chromatids in meiosis is known as crossing…

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.