Describe two mechanisms that give rise to nonparental genotypes in the next generation

Q: Explain and diagram: How does mitotic crossover (recombination) lead to cance

A: The repair of DNA (deoxyribonucleic acid) can take place through homologous recombination. This…

Q: Analyze the experiment of Stern, and explain how it indicated that recombinant offspring carry…

A: Crossing over is the process of exchange of genetic material between the non-sister chromatids of…

Q: New combinations of already existing alleles arise from Which two different types of meiotic events?

A: Meiosis is one of the types of cell division parts from mitosis. It is otherwise known as a…

Q: Suppose that the short allele is a meiotic drive gene, and 80% of the gametes from a heterozygous…

A: Introduction  Inheritance is the ability of organisms to pass on qualities to their offspring…

Q: With the help of an example differentiate between incomplete and co-dominance?

A: The genotype is the genetic constitution of the organism while the phenotype is the external…

Q: calculate the proportions of offspring with each genotype and phenotype that would be produced by…

A: two allele A and aA is dominant and a is recessivegenotypes and phenotypesAA homozygous =dominant…

Q: Draw diagram of Molecular explanations of Mendel’s pea shape and pea color genes?

A: Gregor Mendel is known as the Father of modern genetics. He worked on pea plant, Pisum sativum and…

Q: In maternal effect, if the female parent exhibits the trait, all of the offspring will also exhibit…

A: genetics is the branch of biology which deals with the inheritance and genetic makeup of individuals…

Q: Analyze the following pedigrees to determine the mode of transmission for each. 10. 11. 12.

A: 10) Here the X linked recessive traits appears more commonly in the males , and the affected…

Q: Draw a simple pedigree for the following family tree. A man and a woman have three children: a…

A:

Q: List 4 ways that Mendel's laws were later confirmed by knowing the behavior of chromosomes

A: Gregor Johann Mendel is known as the father of genetics. He was the one to gave the postulates for…

Q: What is an example of a sex-linked trait in humans?

A: Sex-linked trait refers to a trait whose expression depends on a gene present on a sex chromosome.…

Q: Define crossover, and explain how it produces geneticvariation.

A: Cell division is the cycle by which a parent cell separates into at least two little girl cells.…

Q: How linkage and crossing over is inter-related explain with suitable examples.

A: Genetic linkage is a tendency of the DNA sequences or genes to get linked with each other in a…

Q: Describe the difference between a homozygous and heterozygousgenotype, and represent each…

A: Genes are nucleotide sequences that carry genetic information which is transferred from one…

Q: Use a Punnett square to predict the offspring in a cross between a tall pea plant (heterozygous) and…

A: The hereditary unit of an organism is known as gene. It consists of the DNA (deoxyribonucleic acid)…

Q: What are chromosomal disorders? Also gives a suitable example.

A: The chromosomes are thread-like structure located in the nuclei of both plant and animal cells. They…

Q: . In the list of four terms below, which term is the second mostinclusive?a. Genome c. Chromosomeb.…

A: Sir Gregor Mendel was a priest and a teacher who did the famous hybridization experiment on garden…

Q: Explain how the events of meiosis can explain both segregation and independent assortment.

A: Meiosis is the reduction division during this cells with haploid set of chromosome is formed.

Q: Differentiate between complete and incomplete dominance with examples?

A: A gene is a unit of hereditary present in thousands on the strands of DNA(deoxyribonucleic acid).…

Q: describe two sources of genetic variation associated directly with the process of meiosis  Explain…

A: Mutation causes the genetic variation including Sexual reproduction and genetic drift. The source of…

Q: Solve and interpret genetic crosses that exhibit sex-linked inheritance.

A: An organism has phenotype and genotype. Phenotype is the observable characteristics and genotype is…

Q: Imagine you have two pure-breeding lines of canaries,one with yellow feathers and the other with…

A: Pure breeding or true-breeding lines of organisms are a group of organisms that always passes down…

Q: Explain why a single geneknockout does not always have an effect on thephenotype

A: The mouse knockout line was first developed in the year 1989 that served as a major advancement in…

Q: Recombination frequency shows? A. Shows the likelihood of gametes being carried over during…

A: Recombination is a process by which pieces of DNA are broken and recombined to produce new…

Q: b. Genotypes

A: a) The probable mode of inheritance  introduction Method of Inheritance is the way wherein a…

Q: Explain the following terms with example(a) Co-dominance(b) Incomplete dominance

A: The dominance in genetics is the phenomenon of one variant (allele) of a gene on a chromosome…

Q: A researcher hypothesizes that, in mice, two autosomal dominant traits, trait Q and trait R, are…

A: In living organisms, the differences in the specific traits are due to the presence of two versions…

Q: illustrate a second significant departure from complete dominance?

A: The genotype of an organism is inherited from both the parents. The alleles are different forms of…

Q: Explain how to arrive at the estimate that one human couple can produce over 70 trillion unique…

A: Ans: Offspring: It is the product obtained after fertilization of eggs with sperm in the uterus of…

Q: In guinea pigs, the allele for short hair is dominant. If all the guinea pigs are born short haired…

A: The two possible genotypes of the parents are:

Q: how would the phenomenon ofcrossing over affect the results? In other words, would the probability…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: Which event would result in an allele or alleles being in a state of perfect linkage disequilibrium?…

A: To determine levels of linkage disequilibrium , recombination interacts in a complex way with…

Q: ased on this information, which of the rganisms can produce offspring that are enetically identical…

A: Answer: SEXUAL REPRODUCTION = It is the reproduction which includes both the parents whose gametes…

Q: In the human pedigree below, the filled symbols represent the affectedindividuals.Determine the mode…

A: The term phenotype refers to an organism's observable physical qualities, such as its appearance,…

Q: In the human pedigree of sex-linked inheritance pattern, if the female is a carrier, calculate the…

A: If the disease is sex-linked, it means that it is an X-linked disease. The female is carrier means…

Q: Give possible sources of phenotypic variation and explain how these variations are inherited from…

A: Phenotypes may be because of genes , environmental  elements, or a mixture of each. Phenotypic…

Q: Describe crossing over and how it introduces variation in traitsamong the offspring of sexual…

A: The offspring of sexual reproduction inherit genes from both parents. Furthermore, the offspring…

Q: Suppose that for three generations, the clawed wing trait has only shown up in males. In the fourth…

A: There are five types of traits transmitted from generation to generation. They are, Autosomal…

Q: Assume that each gene is located on a separate chromosome. Parent 1 has the following genotype:…

A: AaBbDdEE x aaBbDdEe Aa x aa   A a a Aa aa a Aa aa probability of getting aa is 1/2. Bb x…

Q: What determines which traits will be passed on to the next generation in the greatest frequency?

A: The trait is a character which we have inherited from our parents and then it will be passed to our…

Q: Draw a tree diagram of the cross and determine all possible offspring genotypes and at what…

A: The gametes produced by sexually reproducing organisms are haploid. The genes present on separate…

Q: Describe the difference between genotype and phenotype. Give three examples. Is it possible for two…

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

Q: Make a figure (or figures) showing a pair of homologous chromosomes.  Show genes/alleles that are…

A: DNA recombination is a process by which new combinations of DNA or alleles are obtained by breaking…

Q: If a homozygous tall pea plant is crossed with a homozygous short pea plant, what are the possible…

A: The Law of dominance states that the allele which can express itself in the heterozygous condition…

Q: Using forked line method, figure out the phenotype and genotype of the offspring between two…

A: Given, Parental genotype AaBbCC  AabbCc

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.