Topic 4 Review
Quiz by Lauren Stafford
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12 questions
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- Q1Genes are carried from parents to offspring in structures calledallelesgenotypeschromosomesphenotypes30s
- Q2Which of the following represents a heterozygous genotype?GgggGGnone of the above30s
- Q3An organism's phenotype is the way its __________ representschromosomegenotypealleletrait30s
- Q4Chromosomes are long, thread-like structures ofcellsproteinsDNAgenes30s
- Q5Which process results in the formation of sex cells?transferseparationcrossing overmeiosis30s
- Q6Geneticists use ___________ to map the inheritence of particular traitsgenesalleleschromosomespedigree30s
- Q7Each body cell in the American black bear has 74 chromosomes. How many chromosomes are in the black bear's sex cells?3732122230s
- Q8A gene is a section of DNA within a chromosome that codes for aribosomespecific persondouble helixamino acid30s
- Q9Proteins are long-chain molecules made ofnitrogen basesamino acidsorganismschromosomes30s
- Q10Genetic diseases are caused bymodified cellsX Chromosomesplasmidsmutations30s
- Q11Which of the following is the best example of a possible future technology that could be used to eliminate a disease in humans?the ability to replace all S alleles in human red blood cellsa genetically engineered virus which can eliminate the disease cell in human bloodgenetic screening which matches the disease cell carriers to people with AA genotypesthe ability to replace all S alleles in fertilized eggs30s
- Q12Scientists created a new variety of rice. They modified a common strain of rice by inserting the carotene gene from carrots. The addition of this gene resulted in a rice enriched with vitamin-A, a crucial vitamin for humans. What technology does the example represent?meiosiscloninggenetic engineeringartificial selection30s