___________ chromosome aneuploidy is usually welltolerated because only one X chromosomeremains active and because the Y chromosomehas few genes

Q: For a hexaploid what is the value of x where x refers to the basic chromosomenumber that makes up a…

A: Ploidy refers to the number of chromosomes present in the nucleus of a cell. In normal somatic…

Q: to what do correspond respectively the grey, black and dotted lines? Indicate below the name of the…

A: Replication is the process by which the single mother strand helps to produce two daughter strands.…

Q: where is the chromosome abnormality? (chromosomes 1-23)

A: The chromosomal abnormality is the result of errors in the cell division following meiosis or…

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: Barr bodies area. genetically active X chromosomes in males.b. genetically inactive X chromosomes in…

A: Darkly stained bodies which were observed in the G0 stage of nerve cells of female cats but not in…

Q: What phase of mitotic interphase is missing from meiotic interkinesis

A: The process in which duplication of the cell occurs and the resultant cell will be genetically the…

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: Telophase II Chromosome number per daughter cell Chromosome composition per daughter cell

A: Meiosis is referred to as the reductional division of a cell. Sach a name is given to this division…

Q: A fertilized egg will develop into a boy if it receives a/n_____________chromosome from its father.

A: Ans: Fertilization: It is the process in which haploid gamets such as eggs and sperms are fused in…

Q: drawings of metaphase I,telophaseI, and telophase II for meiosis of AaBb. the genes are not linked,…

A: Metaphase I phase of meiosis is characterised by the alignment of chromosomes in the metaphase plate…

Q: During Prophase I, the homologous chromosomes formed a synaptonemal complex. diplotene O pachytene o…

A: Meiosis is a type of cell division that occur in our reproductive cells.  The main purpose of…

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: Write the name of the term that describes the phrase. Possessing all of the normal number of…

A: Introduction  Any cell contains the specific number of chromosomes and it is referred to as ploidy…

Q: normal somatic cells of an organism have 100 chromosomes. how many chromosomes will be present in…

A: Chromosomes are long thread like structures that carry coded genetic in the form of genes. This…

Q: The gene that determines whether a child becomes a Male or a female is located on a specific pair of…

A: There are two types of chromosomes found in our body, autosomes and allosomes.  Autosomes are found…

Q: The human contains 23 pairs of homologous chromosomes, all of which are indepently assorted. What do…

A: During the process of meiosis, male and female gametes are formed. In meiosis, DNA is being…

Q: True or False: Every chromosome carries exactly the same information.

A: A chromosome contains all the genetic information. Most of the chromosomes present in the eukaryotic…

Q: Crossing over occurs mainly during this phase of meiosis:     Prophase I     Prophase II…

A: All living organisms are made up of cells. Animals like humans are made up of trillion of cells.…

Q: Crossing-over is all of the following EXCEPT

A: The exchange of genetic material between non-sister chromatids of homologous chromosomes is called…

Q: A person known to be born with one X-chromosome, zero or no known Y chromosome, trisomy 21, and…

A: Introduction  Most of the organisms present on earth are diploid which means they contain two sets…

Q: Select the correct answer. Marcus is admitted to the hospital for a bone marrow stem cell transplant…

A: The cell division is the production of new daughter cells from the old mother cells. Usually in…

Q: Draw a pair of chromosomes as they would appear during synapsis in prophase I of meiosis in an…

A: In chromosomal duplication, some of the part of chromosome has been doubled up. In duplication, the…

Q: To determine: The size of the average human chromosome.

A: Eukaryotic and prokaryotic organisms are the two types of organisms. A chromosome is a particular…

Q: Number of Sex Phenotypic Sex of Probable Sex Total Number of Chromatin in Individual Chromosome…

A: Sex chromatin in somatic cells are Barr body, which are X chromatin or inactive X chromosome in a…

Q: Example Genotype: AaBbCcDd on one chromosome (in cis); EeFfGgHh on another chromosome (in cis)…

A: The chromosome pairs that are of approximately same length, have same centromere position, and have…

Q: Crossing over occurs during prophase Il of Meiosis.

A: Crossing over is essential for the normal segregation of chromosomes during meiosis. It is also…

Q: which are major mechanisms by whichchromosomal rearrangements take place

A: A chromosomal rearrangement is a mutation that is a type of chromosome abnormality involving a…

Q: Sex: Chromosomal anomaly: Syndrome:

A: The sex of the given karyotype is Male . As there are X and Y chromosomes.

Q: Assuming sexual reproduction and that no mutations have occurred. Please draw one possible genotype…

A: Genotype It is a description of our DNA's pair of alleles. The genotype of an offspring is…

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: Sex chromosome aneuploidy is usually welltolerated because only one X chromosomeremains __________…

A: Step 1 Aneuploidy is the numerical change in the chromosome number in the genome or genomes of an…

Q: When 23 pairs of human chromosomes are arranged in a diploid set, this layout  is called a

A: A chromosome is a long DNA molecule with part or the entirety of the hereditary material of a…

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: 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: A diploid organism has five pairs of chromosomes in each somatic cell. Assuming that no crossing…

A: When the DNA molecule is well organized and packaged into thread-like structures in the nucleus of…

Q: To define the adavantage and disadvantage of a compact chromosomal structure.

A: Chromatin A mixture of protein and DNA together makes up the chromatin. This chromatin is a…

Q: Give biological term for a pair of corresponding chromosomes of the same size and shape , one from…

A: A chromosome is the thread-like structure made up of DNA. It is tightly packed in the nucleus of a…

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: Indicate below the name of the chromosomal regions that are squared and named respectively A and B…

A: John Cairns was the first person to observe the replicating chromosome in E.Coli by autoradiography…

Q: What does each letter in the crossing over in meiosis represent? The picture below is the example of…

A: A homologous chromosome refers to a pair of chromosomes that are inherited from each parent. They…

Q: Indicate the Chromosome Numbers, (NB: indicate the letter to correspondence chromosome Number) B 人

A: Humans cell normally contains 23 pairs of chromosomes or total of 46 chromosomes. 22 pairs are…

Q: True or false  after the first meiotic division the cells are haploid because they have only one…

A: Answer  Meiosis - It is a nuclear division that occurs in the germ cells of sexually reproducing…

Q: Inspect Figure 3-8: which meiotic stage is responsiblefor generating Mendel’s second law?

A: Numerous cells constitute the body of an organism. Cells forms tissues and organs. There are a total…

Q: has the same number of chromosomes as the telophase nuclei in Figure 6.4. Explain the different…

A: Prophase is the first step in the cell division where the cell starts its processes required for the…

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

A: The DNA or deoxyribonucleic acid contain the genetic information that is transmitted from parents to…

Q: Down syndrome is: Trisomy of chromosome 12 Trisomy of chromosome 18 Trisomy of chromosome 13 O…

A: Note: Since you have asked multiple question, we will solve first question for you. To get remaining…

Q: Chromosomal Abnormalities Classification of abnormality Name of Number of Description Affected…

A: Hello, as you have posted question with multiple sub-parts, we will answer the first three…

Q: When there is one extra chromosome due to non- disjunction, it is called trisomy. In such a case,…

A: Answer is option b .) Y Chromosome

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.