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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
All the above
B
Selective breeding
C
Genetic engineering
D
Artificial selection
2) The production of insulin is an example of
A
DNA replication
B
Selective breeding
C
Genetic engineering
D
Protein synthesis
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
Crossbreeding to create disease resistant crops
B
Growing a new plant from a cutting
C
Creating human insulin to treat people with diabetes
D
Analyzing karyotypes and pedigree charts
5) Which form of selective breeding crosses parents with the same or similar sets of alleles
A
inbreeding
B
Hybridization
C
Cloning
D
Fertilization
6) If a recessive traits is expressed in an organism's phenotype, what can you determine about its genotype
A
At least one allele in the genotype is recessive
B
Both alleles in the genotype are resisting
C
You cannot determine anything about the organism's genotype
D
Both alleles in the genotype are dominant
7) An organism's genotype describes
A
The way it looks
B
The alleles of gene it contains
C
The physical characteristics
D
The form of a trait it displays
8) This is a unit that determines traits
A
Gene
B
Chromosomes
C
Allele
D
DNA
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
75% purple and 25% want
B
All whites
C
50 percent purple 50 percent white
D
All purple
10) A punnett square is helpful in predicting
A
Both the genotypes and the phenotypes of offspring
B
Only genotypes of offspring
C
Only phenotypes of offspring
D
None of the above
*select an answer for all questions
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