Centromere A BJI HGF ED CKLM Inverted reglon

Q: In the fruit fly Drosophila melanogaster, a recessive condition called eyeless (ey) significantly…

A: First draw all the possible gametes for both the gametes. All gametes means all, including the…

Q: For the following chromosome complements, what is the phenotypic sex of a person who has Q. XXYY…

A: The male-determining gene in humans is termed as the sex determining region Y (SRY) gene. Generally…

Q: Crossover occurs during what phase? What is this process and why is it important?

A: ANSWER;- Crossing over occurs during prophase I of meiosis before quadruplicates are aligned along…

Q: For the following chromosome complements, what is the phenotypic sex of a person who has Q. XO with…

A: The male sex-determining gene in human is termed as the sex determining region Y (SRY) gene.…

Q: An individual that is homozygous AABBcc is crossed to an individual that is homozygous aabbCC…

A: A chromosome is a highly condensed form of DNA and It wrapped into Nucleosomes. Humans have 22…

Q: A phenotypically abnormal individual has a phenotypically normalfather with an inversion on one copy…

A:

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: Consider Cyclic Crossover on two Parent chromosomes: Parent1 = A0846172593B and Parent2 =…

A: The child chromosome will be... chromosome no 1 is... A94B5721608A chromosome no 2 is...…

Q: Draw a Punnett square for the dihybrid cross. There are two known alleles of gene occupying a…

A: Dihybrid cross involves two genes in a cross. That's why the two traits are involved in this cross.

Q: In a diploid organism, two homologous chromosomes synapse at prophase 1 of meiosis.  One of the…

A: Crossing over is the process in which the exchange of genetic material takes place in a cell during…

Q: Describe the outcomes of the three types of matings (F+ x F- , Hfr x F- , and F' x F- ).

A: The F+, F-,hfr, and F' cells are involved in conjugation that is a gene transfer method in bacteria.…

Q: Consider the following "pericentric" ("around the center") inversion. In one an individual, a…

A: One chromosome has a simplified gene sequence (1234 5678), while the other has a pericentric…

Q: In Neurospora, his2 mutants require the amino acidhistidine for growth, and lys4 mutants require…

A: Neurospora is a type of a fungus that has axon like striations on its spores. The spores of the…

Q: Which, if any, of the following sex-chromosome aneuploids in humans are fertile: XXX, XXY, XYY, XO?

A: Aneuploids are a kind of chromosomal mutations which results in abnormal number of chromosomes.

Q: Which crosses represent recombination in male gamete formation and which crosses represent…

A: Recombination frequency is used to measure the genetic linkage. It also used to create a genetic…

Q: A phenotypically normal individual has the following combinations of normal and abnormal…

A: Chromosomal deletion is simply deletion of the part of the chromosome. Chromosomal inversion is a…

Q: Draw a diploid cell heterozygous for genes a, b, c. Genes a,b,c are linked and autosomal.

A: Genes are hereditary units present on the chromosomes. A gene has two allelic variants. These…

Q: The following Pedigree shows an unknown genetic disorder. The disorder is believed to be caused by…

A: In terms of genetics, a pedigree is a diagram demonstrating the manner in which a trait or medical…

Q: What is the end result of crossing over?

A: Crossing over allows the exchange of genetic material and forms unique combinations of alleles. This…

Q: A chromosome with the following gene order has a paracentric inversion of BCDE. A B C D E F • G H If…

A:

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: An initial crossover event will occur between A and B, as indicated in the corresponding image.…

A: Exchange of genetic material or chromosomal segments between non-sister chromatids happens during…

Q: Why are people with balanced chromosomal translocations phenotypically normal? Do they suffer from…

A: Chromosomal translocations are genomic events in which either a part or the entire chromosome breaks…

Q: In C. elegans, lon-2 and unc-2 are recessive mutations that are 8 map units apart on the X…

A: A map unit is defined as the distance between two linked gene pairs where 1% of the products of…

Q: Part of the karyotype of a diploid individual who is heterozygous for one chromosomal rearrangement…

A: Chromosomal rearrangements are structural changes to chromosomes that affect how the genetic…

Q: Under what circumstance might two loci be on the same chromosome but behave as if independently…

A: Gene- It is a segment of DNA that is responsible for hereditary characters. It is present always in…

Q: An allotetraploid plant has 30 chromosomes in its somatic cells and one of its progenitor species…

A: Introduction  A chromosome is a lengthy DNA molecule that contains all or a portion of an organism's…

Q: When a single recombination event occurs between a normal chromosome and a chromosome with a…

A: Chromosomal rearrangement is a term used to describe any structural change that occurs in the…

Q: Two different genes are located on the same chromosome in rabbits. A particular female rabbit is…

A: Genes on different chromosomes are inherited independently of each other because each pair of…

Q: For the following chromosome complements, what is the phenotypic sex of a person who has Q. XXY with…

A: A gene is a unit of genetic material present within the DNA (deoxyribonucleic acid). Each gene…

Q: The order of the genes on a plant chromosome is A, B, C, where A and B are located 10 cM apart and B…

A: Genes A and B are located 10 cM apart and B and C are located 3cM apart. Hence, S.C.O for A and B =…

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.