why autosomal aneuploidy is generally moredeleterious than aneuploidy for sex chromosomes.

Q: How mitotic crossing-over can contribute to cancer

A: Cancer is defined as the biological disorder in which the cells undergo uncontrolled growth and cell…

Q: Progeny Pubescent Genotypes Parents Glabrous Pubescent x 76 79 Glabrous Pubescent x 58 Pubescent…

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

Q: frequency of heterozygotes

A: The frequency of heterozygous individuals is equal to 2pq.

Q: Trisomics often have more developmental problems than triploids. Can you suggest a reason why?

A: Trisomy and triploidy are types of chromosomal aberrations that result due to the presence of an…

Q: In humans, one set of chromosomes comes from the maternal parent, and the other set comes from the…

A: Answer: ALLELES are the alternate forms of gene. These are variant form of a gene.

Q: Transmission of information from cells to cell or from parent to progeny that is not encoded in DNA.…

A: Inheritance is the process of transfer of information from parents to offspring via the genetic…

Q: Hemophilia results from a sex-linked gene. The disease is most common in males, but the hemophilia…

A:

Q: Homologous chromosomes O are present in most diploid cells

A: Homologous chromosomes are chromosome pairs inherited from each parent. They have corresponding DNA…

Q: why Inversion loops form in inversionheterozygotes

A: Chromosome contains DNA which is a genetic material of an organism. The inversion is a condition in…

Q: Kinetochores at the centromeres are sites where ______fibers attach to the chromosomes.

A: A kinetochore is a disc-shaped protein structure associated with duplicated chromatids during cell…

Q: High cancer rates can run in families.  Explain how Loss of Heterozygosity relates to this.

A: Loss of heterozygosity (LOH) alludes to a particular kind of hereditary change during which there is…

Q: Why X-chromosome aneuploidy can affect morphology and cause sterility

A: DNA the genetic element is condensed and tightly packed as chromatin fibers in the chromosome.…

Q: How meiosis can generate three kinds of tetrads when two genes are on different chromosome

A: Meiosis leads to the production of 4 haploid progenies when a diploid cell divides through it.…

Q: Chromosome abnormalities can be structural or numerical. Enumerate at least 3 examples of each,…

A: Numerical chromosomal abnormalities occur when there is a different number of chromosomes in the…

Q: Why X-chromosome aneuploidy can affect morphology

A: X chromosome aneuploidy is a condition in which individuals have an abnormal number of sex…

Q: Which of the following best explains why chromosomes 13, 18 and 21 are the only autosomes that are…

A: Trisomy is a genetic disorder in which a person has three copies of a particular chromosome instead…

Q: How many Barr bodies would you expect to see in a human cellcontaining the following chromosomes?…

A: BARR BODY It is a small, densely staining structure in the cell nuclei of females, consisting of a…

Q: How crossovers between linked genesgenerate different tetrads

A: In some fungi and single-celled algae, the group of four cells produced after a single round of…

Q: Dogs have 78 chromosomes in their somatic cells. How many chromosomes are in their gametes?

A: Somatic cells are the body cells that are not the reproductive ones that is sperm and egg cells.…

Q: Why Relatively Small Number ofGenes Can Produce EnormousPhenotypic Complexity

A: this question can be addressed in multiple ways, one angle that is relevent to look at is how some…

Q: how each kind of rearrangement can cause mutant phenotypes and affect chromosome behavior

A: Mutations are changes that occurs in the deoxyribonucleic acid (DNA) sequence, either due to…

Q: phenylketonuria, which is an autosomal recessive mutant allele. The father is homozygous for this…

A: Phenylketonuria is an autosomal recessive mutant allele,  lets say, Homozygous allele for…

Q: the importance of inheritance of how steps in meiosis change chromosomes through nondisjunction.

A: Introduction Crossing over is the swapping of genetic material that happens within the germline.…

Q: Why inversion heterozygotes produce few if any recombinant progeny.

A: Inversion is a chromosomal rearrangement in which a chromosomal segment is reversed end to end,…

Q: rson has a non-disjunction in sex chromosomes at Meiosis-l stage of gamete for eoocytes fertilizes…

A: Non disjunction Non disjunction is the process in which during cell division chromosomes do not…

Q: Chromosome All possible chromosome configurations at diakinesis Mutation number wwm Monosomy Trisomy…

A: Aneuploidy occurs due to loss or gain of one or more chromosome.

Q: Rule of Segregation Only one gene of the two alleles that you have is put into each gamete that you…

A: Every living organism has chromosomes. In most of the cases, two sets of chromosomes are present.…

Q: Abnoral changes in chromosome number are often from the failure of chromosomes to separate during…

A: Mitosis is the process by which cell divides into its daughter cells. It consists of karyokinesis…

Q: Study of how the inheritance of traits encoded by genes on sex chromosomes (sex-linked traits)…

A: In humans sex of the offspring os determined by a pair of sex chromosomes, XX and XY.

Q: How many Barr bodies would you expect to see in a human cellcontaining the following chromosomes?…

A: Heterochromatization of one X chromosome begins in the late blastocyst stage of the embryonic life.…

Q: what is Rare mitotic nondisjunction

A: Mitosis - Mitosis is a process in which one cell divides to form two new daughter cells. These two…

Q: all the possible types of gametes

A: Genotype refers to the genetic makeup, composition, or structure of a specific organism.

Q: which trisomy is one of the rarest trisomies in humans

A: The trisomy is a condition in which there is the presence of three chromosomes in a cell instead of…

Q: Relation of chromosomes to karyotypes

A: Karyotype: Representation of collection of chromosomes(in pairs) of an individual (both sex…

Q: Why nondisjunction of sex chromosomes is more well-tolerated than nondisjunction in autosomes,

A: Human hereditary issues can likewise be brought about by aneuploidies including sex chromosomes.…

Q: how Mistakes during mitosis can generate clones of aneuploid cells.

A: Mitosis is a type of cell division which occurs in somatic cells. The parent cell divides into 2…

Q: Down syndrome individuals carry an extra chromosome _________ in their cells.

A: Genes are the units (physical and functional) of heredity, made up of DNA or deoxyribonucleic. They…

Q: The contrasting features of epistasis and dominance along with the number of loci associated with…

A: Introduction  The passing on of traits from parents to their offspring is known as heredity, also…

Q: Five differences between Mitosis and Meiosis

A: Mitosis and meiosis are two types of cell division that can be characterized by changes that take…

Q: How three-point crosses verify Sturtevant’s map of the Drosophila X chromosome.

A: The earliest cell division and the development of the drosophila flies were studied by Alfred Henry…

Q: Why gametes have a haploid number of chromosomes.

A: The number of complete sets of chromosomes is more specifically known as the ploidy of a cell. In…

Q: why there is Diminished fertility in translocation heterozygotes

A: Translocation heterozygotes generally carry cells with one normal set of chromosomes and one set in…

Q: X-chromosomes. A mammalian cell has 3 Barr bodies, therefore it must have a total of

A: An inactivated X chromosome can be called a barr body For a barr body to exist a cell must have at…

Q: GENETICS In a sexually reproducing diploid organism in which 2n=6, a normal meiocyte in reduction…

A: Meiosis is a reductional cell division that takes place in diploid germ cells of sexually…

Q: How meiosis can generate three kinds of tetrads when two genes are on different chromosomes.

A: Meiosis is a reductional division where the cell divides to form four cells, which have half of the…

Q: How Sex-Specific DNA Methylation Is Responsible for Genomic Imprinting

A: Genomic imprinting is an inheritance process. It is an epigenetic process that includes DNA…

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.