Haploid and Diploid Cells Flashcards

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1
Q

Define a haploid cell

A

A cell which has one set of chromosomes i.e. it has only one of each type of chromosome in the nucleus

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2
Q

Define a diploid cell

A

A cell which has two sets of chromosomes i.e. it has two of each type of chromosome in the nucleus

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3
Q

What is haploid symbolised by?

A

The letter ‘n’

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4
Q

In a haploid cell what are the number of chromosomes given as?

A

N=2

N=3

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5
Q

Name two human cells that are haploid?

A

Eggs and sperm

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6
Q

How many chromosomes do eggs and sperm contain?

A

They both contain 23 chromosomes

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7
Q

What is diploid symbolised as?

A

2n

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8
Q

In a diploid cell what is the total number of chromosomes in the cell is given as?

A

2n=4

2n=6

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9
Q

What is the diploid number for humans?

A

46

2n=46

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10
Q

What does it mean if a human cell has 2n=46 chromosomes?

A

It means 23 of the chromosomes were obtained from the person’s mother and the other 23 were obtained from the father

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11
Q

In diploid cells how are the chromosomes found?

A

The are found in pairs

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12
Q

Define a homologous pair

A

A pair of chromosomes of similar size with the same sequence of genes.

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13
Q

In a homologous pair, where do the two different chromosomes come from?

A

One from the mother

One form the father

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