Genetic linkage occurs becausea. genes that are on the same chromosome may affect thesame character.b. genes that are close together on the same chromosometend to be transmitted together to offspring.c. genes that are on different chromosomes are independentlyassorted.d. none of the above.

Q: Humans have 23 chromosomes per set. A person with 45 chromosomescan be described as beinga.…

A: Normally, humans have 23 pairs of chromosomes i.e. 46 chromosomes in total. But sometimes, due to…

Q: Which of the following statements does not correctly describe the characteristics of homologous…

A: Homologous chromosomes- Two pieces of DNA, one from each parental source present in a diploid…

Q: What is a haplotype?a. A species with one set of chromosomesb. A cell with one set of chromosomesc.…

A: The ploidy term refers to the number of sets of the chromosomes. The euploidy refers to the…

Q: Which of the following is correct regarding polytene chromosomes?    options:   A.  Exposure to a…

A: DNA contains inheritable segments that are called genes that contain instructions for protein…

Q: In humans, what is characteristic of the y chromosome? a. Submetacentric centromere b. No satellites…

A: Note: As per Guidelines, We Can Answer One Question At A Time. Ask Again To get rest answers.…

Q: 4. a. Give at least three examples of types of mutationsthat would disrupt the process of mitotic…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: . All the genes on one chromosome are said to form aa. chromosomal group.b. recombination group.c.…

A: All the genes on one chromosome are linked together on a continuous DNA (deoxyribonucleic acid)…

Q: Genes are arranged in a chromosome: Select one: O a. Irregularly O b. Orderly O c. Linearly O d. In…

A: Gene can be defined as a functional unit of heredity or inheritance .These are the small segments of…

Q: What is a haplotype?a. A species with one set of chromosomesb. A cell with one set of chromosomesc.…

A: Chromosomes are filamentous bodies present in the nucleus. They are composed of DNA(…

Q: Which of the following best describes the mechanism behind pleiotropy? A. A single gene controls a…

A: The trait that is physically expressed means can be seen from outside  for example shape , size ,…

Q: Due to crossing over within an inversion loop, a heterozygotewith a pericentric inversion may…

A: Inversion is a type of mutation in which a chromosome segment is broken in two places, turned upside…

Q: In fruit flies, dosage compensation is achieved bya. X-chromosome inactivation.b. doubling the…

A: Dosage compensation refers to the mechanism of equalizing or balancing the expression of genes. It…

Q: An exchange of chromosomal segments between two nonhomologous chromosomes is a/an Select one: O a.…

A: The genes are present in the chromosomes of the cell. The chromosomes are thread-like structure that…

Q: If a recessive mutation occurs in a male on an X chromosome versus a Y chromosome, leading to…

A: The males have two different sex chromosomes, X and Y. The females have only a single type of sex…

Q: Locus heterogeneity means that a genetic disordera. has a heterogeneous phenotype.b. is caused by…

A: The correct answer is (a) has a heterogeneous phenotype.

Q: One of the forms of rickets is inherited in the autosomal dominant way. This disease is a result of:…

A: A disease in which the bones of children start to weaken and soften is known as Rickets. Mostly it…

Q: Which of the following is the most common type of chromosomal disorder? O a. Kleinfelter's Syndrome…

A: Any syndrome produced by an aberrant chromosome number or constitution, marked by deformities or…

Q: In a trisomic individual, such as a person with trisomy 21 (Down syndrome),a genetic imbalance…

A: Trisomy 21 is a common genetic defect that is caused by chromosomal abnormalities. Trisomy 21 refers…

Q: When a gene is inactivated during gamete formation and thatgene is maintained in an inactivated…

A: The regulation of the expression of the genes takes place in several ways. This stimulates the…

Q: Independent assortment means thata. two genes tend to be inherited together.b. which allele of a…

A: The biochemical substance that is carried from to the succeeding generations is the inheritable…

Q: Which of the following is correct as the polyploidization mechanism?    options:   A, Two related…

A: The correct answer is Option C. i.e. (Both A and B)

Q: #6: You are a young haploid male Honeybee. What is the probability that a gene in your genome is…

A: In honey bees, male is haploid while female is diploid. Such haplodiploidy is observed in some…

Q: A crossover has occurred in the bivalent shown in figure.What is the outcome of this single…

A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…

Q: Errors in crossing-over can happen when...   Select one: a. Non-homologous chromosomes cross-over…

A: Unequal crossing over is a form of gene duplication or deletion in which a sequence in one strand is…

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: Fathers contribute more new point mutations to theirchildren than mothers. You may know from general…

A: Each cell possess 23 pairs of chromosomes with 22 pairs of autosomes and one pair of sex…

Q: Match Column A with Column B. v Alternative forms of a gene A Alleles B. v Physical location of the…

A: DNA is the genetic material that carries all the genetic information. The DNA is coiled around…

Q: Which of the following statements is/are true of the variegated eye color phenotype in Figure…

A: Introduction :- A phenotype is a set of observable characteristics about a person, such as height,…

Q: Which of the following best describes Klinefelter syndrome?   A. It is an example of aneuploidy.…

A: Klinefelter syndrome is a genetic condition that results when a boy is born with an extra copy of  X…

Q: Polydactyly is a condition in which a person has extra fingersand/or toes. It is caused by a…

A: Gene is a particular nucleotide sequences in RNA or DNA. It is generally located on a chromosome.…

Q: The recombinant offspring of the F2 generation were produced by crossing over that occurred a.…

A: In 1864, the Austrian monk Gregor Johan Mendel published his work on plant hybridization…

Q: During the molecular process of homologous recombinationbetween homologous chromosomes,a. a Holliday…

A: Recombination ais the process where the genes are reassorted into different combinations.…

Q: n 95% of cases of Down's syndrome, there is an entire extra chromosome 21 in every cell. This…

A: About 95% of the time, Down Syndrome is caused by trisomy 21. It is a condition in which the person…

Q: Step 3: Compare the Parentals with the Double Cross Overs (DCO) to determine the correct order of…

A: As per our guidelines policy, We are supposed to answer first three sub parts of a question. Please…

Q: Dominant alleles may result from mutations that causea. the overexpression of a gene or its protein…

A: Mutation is defined as sudden inheritable change that occurs in the DNA sequence. It may be…

Q: A paracentric inversiona. includes the centromere within the inverted region.b. does not include the…

A: Inversion is a type of mutation in which the chromosome rearrangement takes place, in which a…

Q: chromosomes are inherited from one generation to the next, they are inherited...

A: Chromosomes are inherited generation to generation in such a way that half from their mother and…

Q: Individuals with XYY chromosomes are said to be "supermale". Which of the following is FALSE…

A: Humans are said to have 23 pairs of chromosomes which makes a total of 46 when the cells are normal.…

Q: Failure of homologous chromosomes to separate results in all the following EXCEPT: A.…

A: Introduction The chromosome is an important structure occurs in both prokaryotic cell as well as…

Q: Trisomy 18 (Edwards Syndrome) is identified by a karyotype that shows A. too few copies of…

A: The normal number of chromosomes present in homo sapiens, I.e Human Beings is 46( 44 autosomes (22…

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.