Q: What are Polygenic and Multiple allele?
A: Introduction Phenotype of any organisms is basically controlled by genes present in various loci on…
Q: What are the recessive gene traits that can be inherited?
A: Recessive gene traits that can be inherited are:- 1)straight hair 2)Blonde or red hair 3)Hitch…
Q: When writing genotypes the rule is to use the first letter of the dominant trait?
A: Genotype is the gene of an organism.
Q: What are two different alleles for a trait?
A: A trait is defined as the particular characteristic such as skin color, height, eye color etc. The…
Q: What is the difference between and Genotypic Trait and a Phenotypic Trait. What do each of them…
A: Genetic material is nothing but the sequence of nucleic acids which is called as DNA. It contains…
Q: What are the alleles present in an individual?
A: A gene is a precise region of the DNA which regulates a specific trait. An allele is defined as one…
Q: What is pedigree Analysis? What are its use or uses?
A: There are several methods to study human genetics such as pedigree analysis, population genetics…
Q: What are two of the same alleles for a trait?
A: Humans are diploid (2n) organisms that contain two alleles of each gene. The alleles can be dominant…
Q: What are inheritence of two genes?
A: Genes are basic units of inheritance. Gene is a specific sequence of DNA which encodes specific…
Q: What is the gene that goes with a trait called?
A: A gene is the basic physical unit and functional unit of heredity. Theses are made up of DNA. Some…
Q: What are individuals having two different alleles for a single trait?
A: The alternate forms of gene are referred to allele. An allele determines the hereditary…
Q: What is the difference between a gene and an allele?
A: Genes and alleles are an essential part of genetics.
Q: If two parents have a dominate trait, can they have a child that has a recessive trait?
A: If two parents have a dominate trait, can they have a child that has a recessive trait? Ans ) Yes…
Q: What is the presence or absence of the dominant alleles of two genes?
A: An allele is an alternative form of a gene (one member of a pair)which is located on the specific…
Q: What are genomic imprinting and nondisjunction?
A: The process of genomic imprinting and nondisjunction are related to genetic material or genome.…
Q: Why are some alleles dominant and some recessive?
A: A short-portion of the DNA is termed as a gene. The genes are the essential functions as well as…
Q: How does the the Alleles present affect the bloodtype? What is the relationship between Alleles and…
A: Bloodtype is a classification of blood on the basis of antigens present on red blood cells and…
Q: How Are Single Traits Inherited?
A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…
Q: What is the difference between a locus and an allele? What is the difference between genotype and…
A: Genetic is the branch of science that deals with genetic material like genome, genes, DNA, and…
Q: How are single-gene traits inherited?
A: A phenotype is a unique feature of an organism. Genes and the climate, as well as relationships…
Q: How are the alleles of a gene different from each other? What is its importance?
A: Alleles are different variants of the same gene that are genetically different . For example, a gene…
Q: Why is “threshold of liability” an important consideration in multifactorial inheritance?
A: Multifactorial inheritance means that many factors are involved in causing a birth defect. The…
Q: What are genes with more than one common allele?
A: Genes are the basic structural and functional unit of heredity. They carry coded genetic information…
Q: What is an individual that bears a dominant normal allele that masks the effects of the recessive…
A: The gene is the basic physical and functional unit of heredity. It consists of a specific sequence…
Q: What is the relationship of the gene to the trait?
A: Gene is a unit of heredity which is transferred from a parent to offspring which determine some…
Q: What are continuous traits?
A: All living organisms reproduce. Reproduction is the process by which an organism creates more of its…
Q: What is the difference between dominant and recessive trait?
A: A gene is the basic physical and functional unit of heredity and is composed of DNA(deoxyribonucleic…
Q: What are some codominant traits?
A: The genetics is the branch of biology that deals with the study of genes, genetic variation and…
Q: If two parents have a recessive trait, can they have a child that has a dominant trait?
A: Introduction Even if only one copy of the dominant trait exists, dominant traits are always…
Q: What is the role of genes and chromosomes in the process of inheriting a specific trait?
A: Chromosome contains gene and Genes basically have the genetic information which get inherited from…
Q: What is a trait is intermediate of parents?
A: According to Mendelian inheritance, a single character is controlled by one or more genes where each…
Q: How is pedigree analysis used to determine whether a trait is inherited in an autosomal-dominant,…
A: To study the inheritance of various genes in human beings one method has been used which is known as…
Q: What effect is played by admixture in determination of Race/Ancestry?
A: Admixture determination is a method of inferring someone's geographical origins based on an analysis…
Q: What are traits determined by 2 or more genes?
A: Polygenic inheritance is inheritance of single phenotypic trait which is controlled by two or more…
Q: What is a gene with more than 2 alleles?
A: Genetics is a branch of science that deals with the study of genes, heredity, and genetic variation…
Q: What are Hypermorphic alleles?
A: Alleles are the variant forms of gene. Genes carry coded genetic information in the form of specific…
Q: What is trait shows up equally in the phenotype?
A: The trait is a feature or characteristic of an organism. It can be determined by the environment, or…
Q: How many copies of each gene for the trait does each offspring receive?
A: At the time of gamete formation by the proce4ss of meiosis, the number of chromosomes reduced by…
Q: How to Recognize Dominant and Recessive Traits in Pedigrees?
A: Pedigree analysis is a diagrammatic representation which is used to determine the inheritance of…
Q: What are the difference between breed and species?
A: species is a rank in the classification of naturally occurring organisms that can give rise to…
Q: How does quantitative inheritance work?
A: The classical Mendelian traits are quantitative in nature which means the traits which are easily…
Q: How do geneticist normally tell whether an organism exhibiting a dominant phenotype is homozygous or…
A: The alleles are the alternative forms of a gene that are located on the same locus of a homologous…
Q: What is an allele?
A: Genes are basic units of inheritance. Gene is a specific sequence of DNA which encodes specific…
Q: Does a trait always go together with another trait in one individual even if the autosomal traits…
A: The segment of DNA that can produce a polypeptide is called gene. it is an inherited factor that…
Q: What are heterogeneous traits?
A: Genes are the structural and functional units of heredity that carry coded genetic information in…
Q: Is it possible for a recessive trait to skip a generation meaning the parents do not display the…
A: The alleles are generally of dominant and recessive type and some other forms like codominant and…
Q: What is late-onset genetic trait?
A: A trait can be defined as a different form of a character. Genetic traits are those characteristics…
What are ways to recognize a dominant trait in a pedigree?
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The phenotypes, genotypes, and relationships among family members can be identified by the pedigree analysis.
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- What is trait shows up equally in the phenotype?Pedigree analysis is a fundamental tool for investigating whether or not a trait is following a Mendelian pattern of inheritance. It can also be used to help identify individuals within a family who may be at risk for the trait. Adam and Sarah, a young couple of Eastern European Jewish ancestry, went to a genetic counselor because they were planning a family and wanted to know what their chances were for having a child with a genetic condition. The genetic counselor took a detailed family history from both of them and discovered several traits in their respective families. Sarahs maternal family history is suggestive of an autosomal dominant pattern of cancer predisposition to breast and ovarian cancer because of the young ages at which her mother and grandmother were diagnosed with their cancers. If a mutant allele that predisposed to breast and ovarian cancer was inherited in Sarahs family, she, her sister, and any of her own future children could be at risk for inheriting this mutation. The counselor told her that genetic testing is available that may help determine if this mutant allele is present in her family members. Adams paternal family history has a very strong pattern of early onset heart disease. An autosomal dominant condition known as familial hypercholesterolemia may be responsible for the large number of deaths from heart disease. As with hereditary breast and ovarian cancer, genetic testing is available to see if Adam carries the mutant allele. Testing will give the couple more information about the chances that their children could inherit this mutation. Adam had a first cousin who died from Tay-Sachs disease (TSD), a fatal autosomal recessive condition most commonly found in people of Eastern European Jewish descent. Because TSD is a recessively inherited disorder, both of his cousins parents must have been heterozygous carriers of the mutant allele. If that is the case, Adams father could be a carrier as well. If Adams father carries the mutant TSD allele, it is possible that Adam inherited this mutation. Because Sarah is also of Eastern European Jewish ancestry, she could also be a carrier of the gene, even though no one in her family has been affected with TSD. If Adam and Sarah are both carriers, each of their children would have a 25% chance of being afflicted with TSD. A simple blood test performed on both Sarah and Adam could determine whether they are carriers of this mutation. Would you decide to have a child if the test results said that you carry the mutation for breast and ovarian cancer? The heart disease mutation? The TSD mutation? The heart disease and the mutant alleles?Pedigree analysis is a fundamental tool for investigating whether or not a trait is following a Mendelian pattern of inheritance. It can also be used to help identify individuals within a family who may be at risk for the trait. Adam and Sarah, a young couple of Eastern European Jewish ancestry, went to a genetic counselor because they were planning a family and wanted to know what their chances were for having a child with a genetic condition. The genetic counselor took a detailed family history from both of them and discovered several traits in their respective families. Sarahs maternal family history is suggestive of an autosomal dominant pattern of cancer predisposition to breast and ovarian cancer because of the young ages at which her mother and grandmother were diagnosed with their cancers. If a mutant allele that predisposed to breast and ovarian cancer was inherited in Sarahs family, she, her sister, and any of her own future children could be at risk for inheriting this mutation. The counselor told her that genetic testing is available that may help determine if this mutant allele is present in her family members. Adams paternal family history has a very strong pattern of early onset heart disease. An autosomal dominant condition known as familial hypercholesterolemia may be responsible for the large number of deaths from heart disease. As with hereditary breast and ovarian cancer, genetic testing is available to see if Adam carries the mutant allele. Testing will give the couple more information about the chances that their children could inherit this mutation. Adam had a first cousin who died from Tay-Sachs disease (TSD), a fatal autosomal recessive condition most commonly found in people of Eastern European Jewish descent. Because TSD is a recessively inherited disorder, both of his cousins parents must have been heterozygous carriers of the mutant allele. If that is the case, Adams father could be a carrier as well. If Adams father carries the mutant TSD allele, it is possible that Adam inherited this mutation. Because Sarah is also of Eastern European Jewish ancestry, she could also be a carrier of the gene, even though no one in her family has been affected with TSD. If Adam and Sarah are both carriers, each of their children would have a 25% chance of being afflicted with TSD. A simple blood test performed on both Sarah and Adam could determine whether they are carriers of this mutation. Would you want to know the results of the cancer, heart disease, and TSD tests if you were Sarah and Adam? Is it their responsibility as potential parents to gather this type of information before they decide to have a child?
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