Biology 6 - General Biology I » Spring 2021 » Review Quiz on Meiosis and Patterns of Inheritance

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Question #1
Which is not true of sexual reproduction?
A.   Well-suited to changing environments
B.   Offspring (next generation) are clones (genetically identical) of parents
C.   2 cells combine into one cell
D.   Results in genetic diversity
Question #2
Diploid cells have __________.
A.   a total of 2 chromosomes
B.   2 extra chromosomes
C.   2 of each type of chromosome
D.   2 types of chromosomes
Question #3
The purpose of meiosis is to ______________.
A.   produce gametes (egg & sperm)
B.   repair damaged tissues
C.   produce food
D.   allow offspring to grow
Question #4
Pairing up of homologous chromosomes and crossing over occur during _____________.
A.   Prophase II
B.   Telophase I
C.   Prophase I
D.   Metaphase II
Question #5
Which structures separate during Anaphase II (Anaphase of Meiosis II)?
A.   daughter cells
B.   sister chromatids
C.   homologous chromosomes
Question #6
If a cell has 46 (23 pairs) chromosomes at the start of meiosis, each “daughter cell” would have ________ chromosomes at the end of Meiosis.
A.   23
B.   1
C.   46
D.   2
Question #7
__________ refer to the alternative versions of a gene, e.g., for cystic fibrosis (CF), one of them may code for a normal protein (not sick with CF) and the other one may code for a defective protein (will cause CF).
A.   Genotypes
B.   Alleles
C.   Phenotypes
Question #8
Alleles separate during the making of gametes (sperm & egg).
A.   FALSE
B.     
C.   TRUE
Question #9
Consider a man who is normal but an albino carrier and an albino woman. Albinism is coded by a recessive allele. What is the phenotype of the man?
A.   normal
B.   aa
C.   Aa
D.   albino
Question #10
Consider a man who is normal but an albino carrier and an albino woman. Albinism is coded by a recessive allele. Which genotype is heterozygous?
A.   Aa
B.   AA
C.   aa
Question #11
Consider a man who is normal but an albino carrier and an albino woman. Albinism is coded by a recessive allele. Which one is albino?
A.   AA
B.   aa
C.   Aa
Question #12
Consider a man who is normal but an albino carrier and an albino woman. Albinism is coded by a recessive allele. What is the probability of the couple having a child who is albino?
A.   50%
B.   25%
C.   75%
D.   0%
Question #13
Consider a man who is normal but an albino carrier and an albino woman. Albinism is coded by a recessive allele. What is the probability of the couple having a child who is homozygous dominant (AA)?
A.   0%
B.   25%
C.   50%
D.   100%
Question #14
Traits like red-green color blindness coded by an allele on the X chromosome tend to show up more frequently among males.
A.   FALSE
B.   TRUE
Question #15
Down syndrome kids have an extra _____________ in their cells.
A.   Y chromosome
B.   X chromosome
C.   chromosome 21
D.   nucleus

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