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WorksheetsCoach Sullivan's 2nd Nine Weeks Review
Total questions: 20
Worksheet time: 10mins
Which phase of meiosis does crossing over occur in?
Metaphase 1
Prophase 1
Prophase 2
Anaphase 1
A form of a gene is called a......
trait
DNA
allele
nucleotide
Which phase of meiosis is being shown here.....
Telophase 2
Metaphase 1
Metaphase 2
Anaphase 1
At the end of meiosis, you have ________ cells.
Identical
different
How many chromosomes are in the cells at the end of meiosis?
23
46
4
2
Cytosine always pairs with ___________.
Guanine
Adenine
Thymine
True or False: The three parts of a nucleotide are bases, sugars, and phosphates.
True
False
In the process of _____________, breeders cross two genetically different individuals.
Inbreeding
Hybridization
Cloning
A polar bear developing a white-colored and thicker fur to live in colder would be a ____________ mutation.
Negative
Neutral
Positive
Which of the following alleles is homozygous recessive?
TT
Tt
tt
Who was the first scientist to take an x-ray image of DNA?
Uma Thurman
James Watson
Rosalind Franklin
Which term refers to a farmer choosing the best corn from this year to plant for next year's crops?
genetic engineering
natural selection
genetic mutation
selective breeding
Which of the following genotypes in homozygous dominant?
aa
AA
Aa
The base adenine always pairs with ___________.
Cytosine
Thymine
Guanine
How many total phases are there in meiosis?
2
4
6
8
Humans with genetic disorders can have a gene inserted into their body using a harmless virus. This treatment is called.........
Cloning
Inbreeding
Gene therapy
DNA fingerprinting
True or False: Genotypes are the physical characteristics of an organism.
True
False
True or False: GMO stands for genetically modified organism.
True
False
What is the shape of DNA?
Ladder
Oval
Triple Helix
Double Helix
Which phase of meiosis is shown here?
Interphase
Metaphase 2
Anaphase 2
Prophase 2
