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Different alleles for a gene that are both expressed in the phenotype of a heterozygote are:...
In zebrafish, the half baked (hab) gene is caused by a mutation in E-cadherin. A new...
In zebrafish, the half baked (hab) gene is caused by a mutation in E-cadherin. A new allele of this gene, k51, has a wild-type phenotype as a heterozygote, and a strong lethal phenotype as a homozygote. However, k51/deletion has a slightly more dramatic phenotype than k51/k51. This test tells us that the new allele is: O a null allele O codominant. O dominant lethal. O temperature sensitive. O haploinsufficient. O a leaky allele O incompletely dominant. O dominant negative. O...
Which of the following statements is false? Epistasis involves interactions among different genes, to influence phenotype....
Which of the following statements is false? Epistasis involves interactions among different genes, to influence phenotype. When an allele is dominant, the heterozygous combination is the same phenotypically as one of the homozygotes. Dominance refers to the form of expression of a gene in relation to its allele (or alleles). Epistasis involves interactions between alleles of a single gene.
True or False: there can be carriers for conditions that are inherited through dominant alleles, as...
True or False: there can be carriers for conditions that are inherited through dominant alleles, as well as those inherited through recessive alleles. Select one: True False Which of the following is NOT true regarding dominance/recessiveness relationships of alleles? Select one: O a. The trait of the recessive allele can be expressed but is not evident in a heterozygote. O b. Dominant alleles are not necessarily more common in a population than recessive alleles. O c. They range from complete...
Which of the following is the Law of Dominance? A. in a heterozygote, the two different...
Which of the following is the Law of Dominance? A. in a heterozygote, the two different alleles are equally expressed B. in the heterozygote, one allele will mask the expression of the other C. In the production of gametes, gene pairs behave independently of other gene pairs D. In the production of gametes, a gene pair separates so each gamete gets one gene from the pair E. the outward expression of a genetic trait is controlled by a pair of...
An individual with two different alleles for a given gene is referred to as a: A....
An individual with two different alleles for a given gene is referred to as a: A. Phenotype B. Homozygote C. Genotype D. Heterozygote
A gene that affects more than one phenotype the combination of two alleles which comprise the gen...
match the mendelian genetics definition with the best
term
a gene that affects more than one phenotype the combination of two alleles which comprise the gene pair the allele that expresses itself at the expense of an alternate allele the form that is shown": it is the outward, physical appearance of a particular trait one alternative form of a given allelic pair the offspring of two parents that are homozygous for alternate alleles of a gene pair an individual heterozygous...
For a hypothetical gene, how do the terms dominance and recessive relate to gene expression and...
For a hypothetical gene, how do the terms dominance and recessive relate to gene expression and how genes work? Question 22 options: a) A dominant phenotype results in the expression of the most beneficial genes resulting in increased chances of survival of the organism b) The allele with the dominant phenotype inhibits transcription of the allele for the recessive phenotype c) Both alleles get expressed, but the product of the allele with the dominant phenotype masks the phenotype of the...
1) What is the molecular basis of dominant and recessive alleles (for complete dominance; ignore incomplete...
1) What is the molecular basis of dominant and recessive alleles (for complete dominance; ignore incomplete dominance, epistasis, etc.)? To answer this question, consider the following: a) If alleles are copies of the same gene, why are two types of alleles? What differentiates a dominant allele from a recessive allele (at the molecular level)? Be specific (base pairs, transcription/translation method, protein produced, etc.) b) Why is the phenotype determined by the dominant allele in heterozygous genotype? Be specific. c) What...
Question 13 (1 point) If a gene is haploinsufficient, a heterozygote containing only one fully functional...
Question 13 (1 point) If a gene is haploinsufficient, a heterozygote containing only one fully functional allele does not express enough gene product for a normal phenotype. Question 13 options: True False Question 14 (1 point) For a gene with complete dominance, the recessive allele has no effect on the phenotype of a heterozygote. Question 14 options: True False
A gene for the MN blood group has codominant alleles M and N. If both children...
A gene for the MN blood group has codominant alleles M and N. If both children in a family are of blood type M, which of the following situations is possible? OA) Each parent is either Mor MN. OB) Both children are heterozygous for this gene. OC) Each parent must be type M. OD) Neither parent can have the N allele.
In zebrafish, the half baked (hab) gene is caused by a mutation in E-cadherin. A new allele of this gene, k51, has a wild-type phenotype as a heterozygote, and a strong lethal phenotype as a homozygote. However, k51/deletion has a slightly more dramatic phenotype than k51/k51. This test tells us that the new allele is: O a null allele O codominant. O dominant lethal. O temperature sensitive. O haploinsufficient. O a leaky allele O incompletely dominant. O dominant negative. O...
Which of the following statements is false? Epistasis involves interactions among different genes, to influence phenotype. When an allele is dominant, the heterozygous combination is the same phenotypically as one of the homozygotes. Dominance refers to the form of expression of a gene in relation to its allele (or alleles). Epistasis involves interactions between alleles of a single gene.
True or False: there can be carriers for conditions that are inherited through dominant alleles, as well as those inherited through recessive alleles. Select one: True False Which of the following is NOT true regarding dominance/recessiveness relationships of alleles? Select one: O a. The trait of the recessive allele can be expressed but is not evident in a heterozygote. O b. Dominant alleles are not necessarily more common in a population than recessive alleles. O c. They range from complete...
match the mendelian genetics definition with the best
term
a gene that affects more than one phenotype the combination of two alleles which comprise the gene pair the allele that expresses itself at the expense of an alternate allele the form that is shown": it is the outward, physical appearance of a particular trait one alternative form of a given allelic pair the offspring of two parents that are homozygous for alternate alleles of a gene pair an individual heterozygous...
A gene for the MN blood group has codominant alleles M and N. If both children in a family are of blood type M, which of the following situations is possible? OA) Each parent is either Mor MN. OB) Both children are heterozygous for this gene. OC) Each parent must be type M. OD) Neither parent can have the N allele.
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