Are mules sterile because they are hybrids of two different species or because they have an odd number of chromosomes?

Q: Is it possible for an organism to have a diploid number of chromosomes that is an odd number?

A: A diploid chromosome arises from both the parents and consists of 23 pairs of chromosomes. Before…

Q: During meiosis when crossing over occurs in a paracentric inversion loop, what percent of the…

A: Meiosis is the process of cell division that produces four daughter cells from a single cell. These…

Q: What is the number of sex chromosomes in male honey bees?

A: Introduction  A sex chromosome is a chromosome that is variable in form, size, and function from an…

Q: Which pair number represents the sex chromosomes?

A: The karyotype is the type of chromosomes or number of chromosomes present in the nucleus of a…

Q: What is a homologous pair (also called a tetrad)?

A: The chromatid is the newly synthesized copy of the original chromosome that is attached to it with…

Q: What is random mating?

A: in the entire human populations, partners often tend to choose their mates non-randomly for most of…

Q: For a species with a diploid number of 36, indicate how many chromosomes will be present in the…

A: Haploid: Having only one set of chromosomes, i.e, n-chromosomes. Triploid, Tetraploid is a condition…

Q: You and your best friend observe a group of fish in a system of lakes. You believe it is due to an…

A: NOTE:- “Since you have posted two questions, we will solve the first part for you. To get the…

Q: Give one difference between a hybrid and a somatic hybrid.

A: A somatic hybrid is made from somatic cells whereas a hybrid is the result of fusion of gametes.…

Q: Bees have a haplodiploid sex determination.  The recessive allele ivory causes bees to have white…

A: In honeybee, the sex is determined by being haploid or diploid. Here, females are diploid while…

Q: For a certain chromosomal region, the mean number of crossovers at meiosis is calculated to be two…

A: In the meiotic cell division process, a single germ cell divides twice to produce four non-identical…

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 gamete must be donated by the father monster, and what is its probability? a) g l — 12.5% b) g…

A: Gametes are produced by the process of meiosis.

Q: Why is it useful to sort male mosquitoes from female mosquitoes?

A: Male mosquito do not bite the human. They do not need human blood for feeding they avoid human. They…

Q: How does the law of segregation reflect the events of meiosis?

A: Law of segregation: This is one of the laws of Gregor Mendels Law of Inheritance. This law says that…

Q: What is the difference between the X-Y and X-0 systems of sex determination?

A: The biological system that is known to determine the development of sexual characteristics is known…

Q: Create a chromosome map each set of three genes from the given information.  a) The crossover…

A: Chromosome map / genetic map is a representation representing the distance between the genes . In…

Q: When Bridges crossed white-eyed females with red-eyed males, he obtained a few red-eyed males and…

A: Gene is a functional unit of heredity. A gene is a sequence of nucleotides in genome that codes for…

Q: Are all reciprocal translocations likely to result in sterility? How can one result in normal…

A: Reciprocal translocation is one of the two types of chromosome translocation. Chromosome…

Q: Which of the following statements about crossover is FALSE?     Frequent crossover between linked…

A: Crossing over refers to the exchange of genetic material between two homologous chromosomes and…

Q: Growth Rate 80 red fast 88 purple slow 18 red slow 14 purple fast What is the distance…

A: Here, in 3rd and 4th case there are recombinant progenies because they have different growth rate…

Q: Draw a Punnett square to illustrate this cross. On the Punnett square, label: gamete, offspring,…

A: In Labrador dogs the fur colour is controlled by a dominant gene (BB) coding for black colour fur of…

Q: ge population samp samples a a no quency (p = 0.45). After years of work, you find that both alleles…

A: As mutations occur, natural selection decides which mutations will live on and which ones will die…

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: An idnividual with the genotype AA is crossed with an individual with the genotype Aa, producing 120…

A: In Mendelian genetics, every allele has an equal possibility for going with another allele. Hence in…

Q: How is a cross made in a fungus such as Neurospora?Explain how to isolate asci and individual…

A: Fungi are microbial organisms that are placed under Kingdom Fungi. They are multicellular eukaryotic…

Q: What is inversion heterozygotes ?

A: Heterozygote can be defined as the genes that are  for the specific trait are considered to be…

Q: For a species with a diploid number of 22, how many chromosomes will be present in the somatic…

A: The compactly packed structure that is composed of proteins and nucleic acids is known as a…

Q: what are duplication heterozygotes

A: Duplication (Dp) is a chromosomal rearrangement that leads to an increase in the number of a…

Q: Three-fourths of this generation are tall, but which ones are heterozygotes?

A: In Mendelian inheritance of monohybrid cross, the two organisms with a different variations on one…

Q: Discuss the following sets of terms: a) trisomy and triploidy, b) aneuploidy and polyploidy.

A: In human cells normal number of chromosomes is 46.Abnormality in this number results in syndromes or…

Q: In mung beans, the green seed coat (G) is dominant than the brown seed coat (g). If a purebred mung…

A: A monohybrid cross is a type of cross between two plants that differ only a single character pair.…

Q: Describe the process of meiosis, highlighting the changein chromosome number and structure after…

A: Meiosis is a type of cell division used for producing the gametes (egg cell or sperm) in sexually…

Q: Based on your knowledge of genetics, how would you determine whether kanamycin or BASTA-resistant T2…

A: Kanamycin A, often known as kanamycin, is an antibiotic used to treat tuberculosis and severe…

Q: Following primary non-disjunction, how many gametes will be nulliploid (zero copies) for the…

A: Nondisjunction occurs when the there is incomplete separation of chromosomes during meiosis. It can…

Q: Hibiscus plants have different varieties of flowers. In an instance, both the red and white flowers…

A: Incomplete dominance: Incomplete dominance means that neither colour shows dominance in the hybrid…

Q: Which of the following could be used to produce seedless strawberries? cross between two tetraploid…

A: Seedless fruits  Fruits which have hard and large number of seeds like melon are now grown by…

Q: What will be the number of chromosomes in Turner's syndrome and Klinefelter's syndrome of an…

A: The genetic material of the organisms are found on the chromosomes present in the cell's nucleus.…

Q: What are the Results of Correns’s Mirabilis Crosses?

A: A cross is a controlled breeding experiment in which two organisms of desired or considered trait…

Q: A cactus species is 4n = 24. What are its gametes? O 2n = 12 On = 12 O 4n = 6 O 2n = 6 O 4n = 12 On=…

A: Gamete  A gamete is a sex cell, a haploid egg or sperm. It is one of the differentiated cells that…

Q: How many different types of gametes with respect to the R and B genes can an individual with the…

A: An individual with the genotype Rrbb has two alleles for the R gene (R) and (r) and one allele for…

Q: What is Sex-linkage?

A: Introduction In this question we will discuss about the sex linkage.

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.