How do we inherit DNA Flashcards

DNA

1
Q

Where is DNA located

A

The nucleus holds the genetic information (DNA)

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2
Q

How is DNA organised in the nucleus?

A

DNA is organised into gens that are found on chromosomes
DNA—> Genes—> Chromosomes

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3
Q

What is a gene?

A

Genes are segments of DNA that code for a particular protein

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4
Q

How many pairs of chromosomes do humans have?

A

Humans have 23 pairs of chromosomes, 46 in total

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5
Q

What does diploid mean?

A

Diploid is paired set of chromosomes in somatic cells

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6
Q

What is a somatic cell?

A

Somatic cells are cell in the body except sex cells

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7
Q

What are gametes?

A

Gametes are reproduction or sex cells (sperm/egg)

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8
Q

What does haploid mean?

A

Haploid are the possession of one copy of each chromosomes in the cell 46/2=23

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8
Q

What sex chromosomes do males and female have?

A

Females have 2* X chromosomes : XX
Males have X+Y chromosomes: XY

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9
Q

What is an Autosome?

A

An autosome is any chromosomes not involved in sex determination

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10
Q

What is a sex chromosome?

A

Sex chromosomes are the chromosomes that determine an individuals sex.

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