EBK BIOLOGY:SCIENCE F/LIFE
6th Edition
ISBN: 9780134819167
Author: BELK
Publisher: PEARSON
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Textbook Question
Chapter 12, Problem 7LTB
The heritable differences among organisms are a result of ___________
- differences in their DMA:
- mutation;
- differences in alleles;
- A and E are correct:
- A, B, and C are correct
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The Number of Protein-Coding Genes in an Organism’s ________ Is Not Directly Related to Its Biological ________ .
Organisms experience mutations in order to adapt to the environment in which they live
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Genes are to ___________ as proteins are to _____________:
traits; diseases
alleles; isoforms
chromosomes; peptides
RNA; DNA
Missense mutations; frameshift mutations
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- When a molecule of DNA coils up, it is called a ____________, which contains different codes for different proteins. Each protein causes/creates a ______, which is a characteristic of an organism. For example, hair color is a trait that results from a protein that is produced by cells based on the codes in DNA.arrow_forwardA mutant in a population represents a _______. The answer is not a mutation or new species. So I’m not really sure what it could be?arrow_forwardNovel and complex biological structures can evolve through aseries of incremental modifications, each of which benefits theorganism that possesses itarrow_forward
- A defective gene on Chromosome 4 causes Huntington’s Disease. Everyone with this defective gene will develop intoHuntington’s Disease. Group of answer choices A sufficient cause, but not necessary Neither necessary nor sufficient A necessary cause but not sufficient A necessary and sufficient causearrow_forwardA permanent change in the DNA sequence of an organism can cause which of the following? Alteration of phenotype Cancers Development of a new species Genetic and biological diversity All of the abovearrow_forwardAn allele of a gene has the following change in its sequence, compared to the wild type. With reference to the sequence; there is a _____ mutation in the ______codon, resulting in a change from __________ to__________ which is a _______ mutationarrow_forward
- _______and_______ shows only external features of organisms.arrow_forwardScientists at Bikini Bottoms have been investigating the genetic makeup of the organisms in this community. Use the information provided and your knowledge of genetics to answer each question. For each genotype below, indicate whether it is heterozygous (Hetz) OR homozygous (Homz). TT _____ Bb _____ DD _____ Ff _____ tt _____ dd _____ Dd _____ ff _____ Tt _____ bb _____ BB _____ FF _____ Which of the genotypes in #1 would be considered purebred? ________________________________ Which of the genotypes in #1 would be hybrids? __________________________________________arrow_forwardWhich of the following types of macromolecules produced by one organism can “transform” another organism, giving it a new trait? Group of answer choices None of these are correct protein RNA DNA starcharrow_forward
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Mitochondrial mutations; Author: Useful Genetics;https://www.youtube.com/watch?v=GvgXe-3RJeU;License: CC-BY