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Variations and Genetics

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A Biology Quiz to review basics of meiosis and variations in a genetics unit.

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Questions 6

Answers

1
How is independent assortment of chromosomes during meiosis like the flipping of a coin?
It is dangerous.
It is random.
It has a head.
They both make gametes.
2
What does a human male have in his cells that determines the gender of his offspring?
Mutations
Extra DNA
Semen
X and Y chromosomes
3
What makes monozygotic twins identical?
They come from 2 different fathers
They come from the same egg and sperm
They have many of the same gametes
They have the same DNA
4
Why are frameshift and chromosome mutations worse than a point mutation?
They are all monozygotic.
They are the result of meiosis, which is random & dangerous.
They change many bases, so there are many wrong proteins.
They only change one base, which kills the organism.
5
Besides sexual reproduction, what is another cause of variations within a species?
Mutations
Cells
Identical twins
Infertility
6
What is made during meiosis?
Eggs or Sperm
Gametes
Babies
Reproductive cells