Final Review Part 3: Genetics & Evolution

Meiosis produces genetically unique sex cells that are called _________.

• gametes

• alleles

• chromosomes

• centromeres

Tags

NGSS.HS-LS3-2

During prophase 1, what process increases genetic variation by reshuffling the homologous chromosomes?

• deletion

• translocation

• crossing over

• independent assortment

__________ produces four haploid cells with one set of chromosomes (n).

• crossing over

• independent assortment

• mitosis

• meiosis

Klinefelter's syndrome is the result of a non-disjunction between the sex chromosomes. This results in a male that has an extra chromosome. How would this be represented?

• XY

• XXX

• XXY

• XX

Going from DNA ---> mRNA ---> protein is known as the process of _________.

• DNA Replication

• transcription

• protein synthesis

• translation

Tags

NGSS.HS-LS1-1

Transcription takes place in the _______. During this process DNA is copied into ______.

• nucleus; tRNA

• nucleus; mRNA

• nucleus; rRNA

• cytoplasm; mRNA

If the DNA sequence is 5' ATCGCT 3', then what is the mRNA sequence?

• 5' UAGCGA 3'

• 3' UAGCGA 5'

• 3' TAGCGA 5'

• 5' CGUACT 3'

Tags

NGSS.HS-LS3-1

Genetic mutations, like the one that impacts hemoglobin production, results in an altered ________.

• protein

• enzyme

• carbohydrate

• plasma membrane

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-2

Unlike RNA, DNA spirals around itself in a __________.

• double trouble

• triple axle

• double helix

• double twist

PCR or polymerase chain reaction, uses _________ to make rapid copies of DNA.

• RNA polymerase

• DNA polymerase

• helicase

• ligands