Q: What is known as daughter chromosome ?
A: Chromosomes are the thread like structures within the nucleus. It contains the genetic material DNA.…
Q: What do the colored bands on chromosomes in a karyotype represent?
A: Chromosomes can be defined as the thread-like structures which is located inside the nucleus of…
Q: How to do sex linked crosses?
A: The question asks about the sex-linked crosses.
Q: If there are 9 chromosome pairs, how many univalents are there at anaphase?
A: The chromosomes are found in eukaryotic cells that is the compact form of DNA. The DNA with histone…
Q: what is the benefit of crossing over?
A: REPRODUCTION:- It is the production of offspring from the parents. It is of two types:- 1)Asexual…
Q: What are sex chromosomes ? Explain the importance of sex chromosomes ?
A: Introduction Humans have 23 pairs of chromosomes; 22 pairs are called as Autosome while 23rd pair…
Q: How many genes are there on chromosome 3?
A: All cellular systems are controlled by proteins. The instruction for the synthesis of proteins is…
Q: How do you tell if a karyotype is male or female?
A: The number and visual appearance of the chromosomes in the cell nuclei of an individual, species, or…
Q: Why is an X chromosome needed for survival?
A: The sex chromosomes or allosomes are X and Y chromosomes which determine the biological sex of an…
Q: What causes chromosomal rearrangements?
A: Chromosomes carry the genetic material DNA. Gene is a segment of DNA. The necessary information for…
Q: How can the chromosome number of an individual be tested before they are born?
A: Chromosomes are the carrier of the genetic information that an organism carries from one generation…
Q: What are chromosome 13 characteristics?
A: In all the living organisms, the genetic material is organized into a specific structure known as a…
Q: How a testcross reveals genotype?
A: Genetics is the branch of biology, which deals with the study of genes, their pattern of…
Q: What are recombinant chromosomes? How do they differ fromthe original parental chromosomes from…
A: Recombination is the process in which sequences of DNA molecules are broken and then recombined to…
Q: How many genes are there present on chromosome 18 ?
A: Deoxyribonucleic acid (DNA) is a long molecule. It contains the instructions an organism required to…
Q: How many genes are there present on chromosome 9?
A: The study of genes comes under Genetics. Genes are the structural and functional unit of life. They…
Q: Which is the smallest chromosome ?
A: Chromosome is the carrier of genetic material of the human body. To be precise, it is a…
Q: What occurs if the same genes are linked on the same chromosome ?
A: DNA, or deoxyribonucleic acid, is a form of nucleic acid found in the cell's nucleus. It is a…
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: How many genes are there present on chromosome 12 ?
A: Chromosomes are thread-like structure, which are composed of nucleic acids and protein. They are…
Q: How many genes are there on chromosome 6?
A: In all the living organisms, the genetic material is organized into a specific structure known as a…
Q: what criteria or features are used to identify each chromosome by number?
A: The basis of cytogenetics is laid on the study of chromosomes. The isolation and identification of…
Q: How does the process of recombination add to the observed genetic variation of daughter cells?
A: Genetic recombination is a complicated process defined as the exchange of genetic material between…
Q: How many genes are there present on chromosome 10 ?
A: Introduction: Chromosomes are thread-like structures present inside the nucleus of plant and animal…
Q: When chromosomes improperly separate it is called what? What type of condition could this cause?
A: Introduction - Chromosomes are thread-like structures within the nucleus that securely wrap DNA.…
Q: What kind of chromosomal mutations is/are produced by unequal crossing over?
A: Mutation refers to both the process of altering a gene or chromosome and the outcome of that…
Q: Where do centromeres dissolve in meiosis?
A: Meiosis is a kind of cell division occurring in the germ cells of the body that gives rise to four…
Q: How did the cessation of crossing-over contribute to the disparity between the X and Y chromosomes?
A: Crossing over is a process where two homologous chromosomes exchange their genetic material to…
Q: what is length of chromosome11 ?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: What are nonhomologous chromosomes?
A: The chromosome is an organized structure of proteins and DNA (Deoxyribonucleic acid) in a cell. It…
Q: Chorionic villus sampling is a procedure to determine if there are any abnormalities in chromosome…
A: Chorionic villus sampling is also used for the same purpose. Chorion is basically a membrane that…
Q: How many genes are there present on chromosome 21 ?
A: Chromosomes are thread-like structures that are located in the nucleus. It is composed of protein…
Q: With 46 chromosomes in a human diploid cell, how many chromosomes come from the person’s mother and…
A: A haploid cell has one complete set of chromosomes.
Q: What are chromosomal islands? Why are theyconsidered to be of foreign origin?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: How many genes are there present on chromosome 23 ?
A: Chromosomes are the carrier of genetic material deoxyribonucleic acid (DNA). They are coiled in…
Q: What is Dosage compensation as it relates to sex chromosomes
A: Dosage compensation explains why males and females have similar levels of gene expression despite…
Q: How many genes are there present on chromosome 14 ?
A: Chromosomes are the small structures like a thread situated within the nucleus ofvarious plant and…
Q: How does nondisjunction lead to disorders in chromosome number?
A: When the nucleotides sequences in the genome of an organism are altered or changed due to mistakes…
Q: What does the X/Y pair of chromosomes determine in humans?
A: Chromosomes are DNA-carrying structures located in the center (nucleus) of cells. The substance that…
Q: What is the inactivation of the X chromosome? What is a Barr body?
A: It is believed that women are more susceptible to X chromosome inactivation than men are. X…
Q: How can we determine the penetrance and expressivity of the genotype ?
A: The term Penetrance refers to whether or not the genotype has clinical expression.The term…
Q: How many genes are there present on chromosome 8?
A: Introduction Any cell contains the specific number of chromosomes and it is referred to as ploidy…
Q: For the following chromosome complements, what is the phenotypic sex of a person who has Q. XY with…
A: The male sex-determining gene in humans is termed as the sex determining region Y (SRY) gene.…
Q: What process occurs when genes swap position on a chromosome during meiosis, as in the case of Cru…
A: Meiosis is a cellular process where a single cell divides two times to produce four cells containing…
Q: How many genes are there on chromosome 1?
A: In eukaryotes, chromosomes are present in the nucleus but in prokaryotes, the nucleus is not present…
Q: How does nondisjunction lead to abnormalities in chromosome number? Describe two types of genetic…
A: The failure of chromosome to seperate properly during mitosis or meiosis is called nondisjunction…
How can the chromosome number of an individual be tested before he or she is born?
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Solved in 2 steps
- What is a molecular marker? Elaborate physical chromosome mapping with the help of molecular markersIn the classic "X" figure of the chromosome, is the whole X from one parent, or is one side of the X from the mother and the other side from the father?How many copies of a gene does the other parent contribute to each of the offspring?