18 - Introduction to Genetics Flashcards

1
Q

Number of base pairs in human genome

A

~3 billion

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2
Q

Number of genes in mitochondrial genome

A

13 protein coding genes

24 RNA coding genes

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3
Q

Post-ENCODE definition of a gene

A

A union of genomic sequences encoding a coherent set of

potentially overlapping functional products

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4
Q

Number of different proteins in human body

A

Over 1 million

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5
Q

Number of different mRNAs in humans

A

~100,000

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6
Q

Number of protein-coding genes in human

A

~21,000

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7
Q

Possible genetic variants
1)
2)
3)

A

1) Gross chromosomal changes
2) Copy number variations
3) Changes to DNA sequence

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8
Q

Proportion of genome shared between generations

A

Each level of generation different halves percentage of genome shared.
EG: siblings share 1/2, parents 1/4, grandparents 1/8

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