Q: A geneticist discovers a male mouse with greatly enlarged testes in his laboratory colony. He…
A: Introduction As we know the testes are present in males only so enlargement of testes in male mouse…
Q: What is the difference in meaning between the terms geneticrecombination and crossing over?
A: Genetics is the branch of biology which deals with genes, heredity, and genome in the organism.…
Q: Distinguish between penetrance and expressivity.
A: Gregor Mendel is known as the Father of genetics and he discovered that traits/ characters are…
Q: What effect does crossing over have on linkage?
A: Linkage is a tendency of the genes present on a chromosome to remain linked together and also passed…
Q: How Neomorphic alleles can express a normalprotein ectopically. ?
A: Alleles are the variant forms of a gene and are present on the same loci of two homologous…
Q: What does the expression wild type mean?
A: Genetic traits are regulated by genes.
Q: Explain how it is possible for a person with a translocationor an inversion to be phenotypically…
A: Chromosomes are the condensed packaged structure of the genetic material of an organism. The…
Q: In ___________ heterogeneity, a variety of mutations in a singlegene cause disease. Compound…
A: The genetic heterogeneity occurs through the production of single or similar phenotypes through…
Q: Sover between genes a and E
A: Introduction By adding a third quality, we currently have a few distinct sorts of getting over…
Q: Define mutant allele
A: The genome of an organism consists of the genetic information that is inherited by its offsprings.…
Q: describe some of the human genetic disorders that are caused by nondisjunction?
A: Step 1 Nondisjunction is the non separation of homologous chromosomes during anaphase I that brings…
Q: What effects of heterozygosity for a deletion?
A: In a spontaneous deletion, 2 chromosomes break to remove the intervening segments. By deletion 1 or…
Q: which are the two genes are said to be syntenic?
A: Genes are the basic structural and functional units of heredity. They are composed of…
Q: Explain complete and incomplete penetrance and give an example
A: Penetrance is basically the probability of the gene or the trait of being expressed. Despite the…
Q: What are Possible Dominance Relations in case of antimorphic mutations?
A: Mutations can be classified depending on the behavior of various mutations in different genetic…
Q: Define wild-type alleles (+)
A: Wild type allele is the phenotype of the organism that is the product of standard normal alleles.…
Q: why why heterozygosity for a deletion can be harmful?
A: Deletion refers to a type of mutation in which the genetic material in a chromosome is deleted or…
Q: What is a gene with only one common, wild-type allele?
A: The coding region of the gene is known as allele. Wild-type alleles are the original form of the…
Q: What are Possible Dominance Relations in case of hypermorphic mutations?
A: A hypermorphic mutation induces an change in the activity of the regular gene[1]. Hypermorphic…
Q: What are genomic imprinting and nondisjunction?
A: The process of genomic imprinting and nondisjunction are related to genetic material or genome.…
Q: Why does a loss or an excess in genetic material lead to the expression of an abnormal phenotype?
A: Mutations are changes in the DNA sequence. Mutations can occur as a result of errors in DNA copying…
Q: Explain why most loss-of-function alleles (hypomorphic or amorphic) are recessive to wild-type…
A: Recessive mutations inactive the affected gene and lead to loss- of -function.recessive mutations…
Q: why Autosomal Aneuploidy Is Usually Lethal?
A: Autosomal monosomies are always fatal in, humans. The Presence of low dosage of proteins embryos…
Q: Briefly discuss Mendelian Inheritance with that of crossing-over.
A: The Mendelian genetics gives us idea about the inheritance of genetic materials from the parents to…
Q: Define about random monoallelic expression ?
A: Genes are carriers of hereditary in organisms. A gene is a DNA sequences having two alleles in it…
Q: How mutant enzymes could cause variation in many phenotypictraits ?
A: The mutation is the sudden deleterious effects in the DNA sequences, they can arise when the DNA is…
Q: What kind of chromosomal mutations is/are produced by unequal crossing over?
A: Mutation refers to both the process of altering a gene or chromosome and the outcome of that…
Q: What are factors that alter the phenotypic expression of genotype?
A: Genotype The genotype can be defined as the genetic make-up of an individual organism. Our genotype…
Q: With regard to pedigree analysis, make a list of observations thatdistinguish recessive, dominant,…
A: Pedigree analysis is a diagrammatic representation used to determine the mode of inheritance of…
Q: Explain Penetrance and expressivity?
A: Genotype- It is the set of genes that we have inherited from our parents and will pass on these…
Q: Why amorphic alleles are usually recessive to wild-type alleles?
A: Step 1 Mutation can result in mutant alleles that no longer produce a similar type of active product…
Q: What are Possible Dominance Relations in case of neomorphic mutations?
A: Any permanent change in the DNA’s nucleotide sequence is termed as mutations. Based on their effect…
Q: Explain why linked genes do not exhibit independentassortment.
A: The alleles of two (or more) separate genes are sorted into gametes independently of one another,…
Q: What are The effects of random events on penetrance and expressivity?
A: Genotype- It is the set of genes that we have inherited from our parents and will pass on these…
Q: What some ways that incomplete penetrance can occur? Give at least two possible ways on why it…
A: Penetrance refers to the proportion of people with a particular genetic change (such as a mutation…
Q: What types of chromosomal disorders are easily seen with a karyotype?
A: KARYOTYPE:- It is the complete set of chromosomes of an individual used to check for any…
Q: How can we determine the penetrance and expressivity of the genotype ?
A: The term Penetrance refers to whether or not the genotype has clinical expression.The term…
Q: For two genes that show independent assortment, what is the frequency ofrecombination?
A: Gene is the working part of hereditary material. The study of genes is genetics. Gregor Mendel is…
Q: a.
A: A. X linked recessive disorder X-linked recessive inheritance refers to genetic conditions…
Q: Why Some hypermorphic alleles encode overactiveproteins?
A: A mutation is any alteration in the sequence of DNA. It may be caused due to error in replication or…
Q: what are Lethal effects of homozygosity for a deletion
A: Lethality is associated with the deletion. Deletion is a type of chromosomal rearrangement that…
Q: What are Possible Dominance Relations in case of amorphic mutations?
A: Mutation is the sudden heritable changes that occur in the DNA sequences due to error while…
Q: How does nondisjunction lead to abnormalities in chromosome number? Describe two types of genetic…
A: The failure of chromosome to seperate properly during mitosis or meiosis is called nondisjunction…
Q: Assume that a TRlhybrid cross is made in which the genes' loci are autosomal, independently…
A: We would expect 8 different phenotypes if a trihybrid cross is made in which the gene loci are…
Q: What are Possible Dominance Relations in case of hypomorphic mutations?
A: Hypomorphic mutation: It is a type of mutation in which the alteration of gene produces a product…
Why
Genetics is a branch of science that deals with the study of genes, heredity, and genetic variation of an organism. Phenotype is the observable characteristics that result from interaction of genotype with the environment.
Step by step
Solved in 2 steps
- What are Possible Dominance Relations in case of hypermorphic mutations?Many genetic disorders exhibit locus heterogeneity. Define andgive two examples of locus heterogeneity. How does locus heterogeneityconfound a pedigree analysis?What is the partern of inheritance in pedigree a and b? Explain why.
- What are Possible Dominance Relations in case of antimorphic mutations?How does a positive ASO test for sickle-cell anemia determine that an individual is homozygous recessive for the mutation that causes sickle-cell anemia?What is the difference in meaning between the terms geneticrecombination and crossing over?