Conditional mutations are those where the trait is seen only under certain conditions. In permissive conditions...
Conditional mutations are those where the trait is seen only under certain conditions. In permissive conditions the mutant allele has wild-type functions and under restrictive conditions the mutant allele has defective functions. True False
Homework Answers
Sol.
Conditional mutation maybe defined as a mutation that has wild type phenotype under certain (permissive) environmental conditions and a mutant phenotype under other (restrictive) conditions.
So the statement given in the question is true i.e. "conditional mutations are those where the trait is seen only under certain conditions. In permissive conditions the mutant allele has wild-type functions and under restrictive conditions the mutant allele has defective functions" is a true statement.
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Conditional mutations are those where the trait is seen only
under certain conditions. In permissive conditions...
Please help answer Conditional alleles are mutant gene versions encoding proteins that can function normally at...
Please help answer
Conditional alleles are mutant gene versions encoding proteins that can function normally at the permissive condition but are defective at the restrictive condition. One commonly used condition is temperature. Conditional alleles are especially useful to geneticists because they permit the study of essential genes. At the permissive temperature, the organism lives normally. When the organism is shifted to the non-permissive temperature, the effect of inactivating the gene can be studied. Which of the alleles shown below (mutations...
Which of the following statements regarding gene mutations is NOT true? Conditional mutations have different phenotypic...
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Answer Choices:
A) Only one of the strains has a mutation in an eye color
gene.
b) Strains C and D have mutations in different genes.
C) Strains C and D have mutations in the same gene.
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Please help answer
Conditional alleles are mutant gene versions encoding proteins that can function normally at the permissive condition but are defective at the restrictive condition. One commonly used condition is temperature. Conditional alleles are especially useful to geneticists because they permit the study of essential genes. At the permissive temperature, the organism lives normally. When the organism is shifted to the non-permissive temperature, the effect of inactivating the gene can be studied. Which of the alleles shown below (mutations...
e) Can you identify any wildtype (nonmutant) colonies in the figures? Explain your answer. f) Can you identify any standard (non-conditional) mutants in the figures? Explain your answer. g) Can you identify any conditional mutants in the figures? Explain your answer. 23°C mutant colony in which cells proliferate at the cooler, permissive temperature but fail to proliferate at the warmer, nonpermissive temperature 23°C colonies replicated onto two identical plates and incubated at two different temperatures mutagenized cells plated out in...
Answer Choices:
A) Only one of the strains has a mutation in an eye color
gene.
b) Strains C and D have mutations in different genes.
C) Strains C and D have mutations in the same gene.
D) More information is needed to infer the location of
mutations.
! Required information Fruit flies normally have red eyes. Seven different true-breeding strains of fly with white eyes have been identified (A–G). In each strain, the white eye trait is due to...
Links (10 Multiple Alleles Confer Drug Resistance in the Malaria Parasite Malaria is a parasitic disease in humans that is transmitted by infected female mosquitoes, including Anopheles gambiae (Figure 12. 10a), and is characterized by cyclic high fevers, chills, flu-like symptoms, and severe anemia, Plasmodium falciparum and P. vivax are the most common causative agents of malaria, and P. falciparum is the most deadly (Figure 12.10b). When promptly and correctly treated, P. falciparum malaria has a mortality rate of 0.1...
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