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Genetics
Test Description: MS Obj 3df
Instructions: Answer all questions to get your test result.
1) The process of selecting organisms with desired traits service parents for the next generation is referred to as
A
Genetic engineering
B
All the above
C
Selective breeding
D
Artificial selection
2) The production of insulin is an example of
A
Genetic engineering
B
Selective breeding
C
Protein synthesis
D
DNA replication
3) In genetic engineering scientists
A
Are able to produce products such as super sweet corn and cold resist tomatoes
B
All be above
C
Have found new methods of reducing organisms with desired traits
D
Transfer genes from organism to another
4) Which of these an example of the benefits of genetic engineering
A
Creating human insulin to treat people with diabetes
B
Analyzing karyotypes and pedigree charts
C
Crossbreeding to create disease resistant crops
D
Growing a new plant from a cutting
5) Which form of selective breeding crosses parents with the same or similar sets of alleles
A
Hybridization
B
Fertilization
C
Cloning
D
inbreeding
6) If a recessive traits is expressed in an organism's phenotype, what can you determine about its genotype
A
You cannot determine anything about the organism's genotype
B
At least one allele in the genotype is recessive
C
Both alleles in the genotype are resisting
D
Both alleles in the genotype are dominant
7) An organism's genotype describes
A
The alleles of gene it contains
B
The form of a trait it displays
C
The way it looks
D
The physical characteristics
8) This is a unit that determines traits
A
Allele
B
Gene
C
DNA
D
Chromosomes
9) If a true true bred purple flower plant is crossed with a true breed white flowered plant, the possible phenotype of the first generation of plants are
A
50 percent purple 50 percent white
B
75% purple and 25% want
C
All purple
D
All whites
10) A punnett square is helpful in predicting
A
Only phenotypes of offspring
B
None of the above
C
Only genotypes of offspring
D
Both the genotypes and the phenotypes of offspring
*select an answer for all questions
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