DRAW IT Suppose, as in the questionat the bottom of Figure 15.9, the parental(P generation) flies were true-breedingfor gray body with vestigial wings andblack body with normal wings. Draw thechromosomes in each of the four possiblekinds of eggs from an F1 female, andlabel each chromosome as “parental”or “recombinant.”

Q: EVOLUTION CONNECTION Crossing over is thought to beevolutionarily advantageous because it…

A: Many of the genes which are essential for the production of sperm are located on the Y chromosome.…

Q: The accompanying illustration shows one possible outcome of the random alignment of homologous…

A: Meiosis is a type of cell division in which a diploid mother cell divides into four genetically…

Q: why The chromatids formed byrecombination within the inversion loop of a pericentric…

A: When the region between two breaks of the same chromosome rotate 180°, it results in chromosomal…

Q: Why does therecombination frequency ofgenes vary with the distancebetween them in thechromosome?

A: The genetic material exchange between the two homologous chromosomes and that produces recombinant…

Q: A gene involved with body colour in this species of fruit fly is located on the non-homologous…

A: The Gene for Eye Color in Drosophila: Red vs. BrownIntroductionThis species of fruit fly possesses a…

Q: The birth of this child prompted the Dentons' physician to order a chromosome study of parents and…

A: In order to fully understand the question being asked, we must recall the following information: (1)…

Q: Draw the structure of the acentromeric chromosome using a line and letters to designate loci in…

A: Inversion is one type of chromosome aberration where the chromosome segment is excised and…

Q: Drosophila researchers have collected many strainsthat carry a single recombinant P element…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

Q: On rare occasions, an organism may have three copies of achromosome and therefore has three copies…

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

Q: the white-eyed w+ gene from one end of the X chromosome locus (w) moves the to a location nearer to…

A: This is an example of epigenetic modification. It alters the gene expression pattern.

Q: For each of the terms in the left column, choose thebest matching phrase in the right column.a.…

A: Genetics is a branch of science that deals in the study of genes, heredity, and genetic variation of…

Q: In which parent and during which meiotic division did non-disjunction occur? If there is more than…

A:

Q: How many Barr bodies are present in the interphase cells of the ff. individuals? A) Klinefelters…

A: A Barr body is an inactivated X chromosome present in female somatic cells, named after discoverer…

Q: 34 m,u. Se a22mu ->CUE iamu e In Dropsophila, sepia eyes (se), curled wings (cu), and ebony body (e)…

A: Drosophila  is a species of flies, belonging to the Drosophilidae family, whose members are often…

Q: In a haploid fungus, the genes al-2 and arg-6 are 30 m.u.apart on chromosome 1, and the genes lys-5…

A: Chromosomes These are the densely packed DNA structures with proteins.Multiple genes can be found on…

Q: why The chromatids formedby recombination within the inversion loop of a paracentric…

A: When the region between two breaks of the same chromosome rotate 180°, it results in chromosomal…

Q: Explain why a translocation cross occurs during metaphase ofmeiosis I when a cell contains a…

A: The unusual rearrangement of the chromosomes is more specifically known as the chromosomal…

Q: While most animals cannot tolerate polyploidy, somemollusks, such as oysters, can. Although wild…

A: Some mollusks such as oysters tolerate polyploidy. Farmed oysters are triploid while the wild…

Q: Two chromosomes have the ff. order of genes: Normal Abnormal A B C centromere DEFGHI A B G F E D…

A: Analyzing the Chromosomal Inversiona) Type of Inversion:The abnormal chromosome has a pericentric…

Q: A male Drosophila from a wild-type stock is discovered to haveonly seven chromosomes, whereas…

A: In male drosophila, one member of chromosome IV has translocated to the distal end of Chromosome II.…

Q: You are an allele on a single uncondensed chromosome in a Yellow fever-carrying mosquito (Aedes…

A: The somatic cells follow the mitotic process for division and the reproductive cells or gametes are…

Q: Two nonhomologous chromosomes have the following segments, where * represents the centromere:…

A: Two nonhomologous chromosomes have the following segments, where * represents the…

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

A: Mutation is defined as a change that causes alteration in the nucleotide sequence of DNA. This can…

Q: 4. Jane's father suffers from hemophilia B and her maternal grandfather was colorblind. Her first…

A: Sex -linked recessive inheritance : Most affected individuals are male. Affected males result from…

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.