DNA Replication Flashcards

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1
Q

Somatic cells

A

Body cells
Are diploid

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2
Q

Diploid Cells

A

2 full sets of chromosomes
)

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3
Q

Gametes

A

Sex cells
Are haploid

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4
Q

Haploid Cells

A

1 full set of chromosomes
Only one me set is a combination of chromosomes (one from mom and one from dad)

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5
Q

Autosomes

A

Carry traits that make you who u are you

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6
Q

Sex chromosomes

A

Carry traits that you who u are and determine you biological sex

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7
Q

Karyotype

A

Diagram that shows the number and visual appearance of chromosomes in a cell

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8
Q

Sexual reproduction

A

organisms that reproduce serually (humans) tuse the senelic inbrmation (gametes) tam a
Parents to produceuffspring that are genetic mixture of buth parents

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9
Q

Fertilization

A

The actual fusion of egg and sperm to form a zygote

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10
Q

Homologous chromosomes

A

chromosome pairs that have the Same type of genes
-one from mom one from dad

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11
Q

Sister chromatids

A

2 identical copies of the same chromosomes

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12
Q

Sister chromatids

A

2 identical copies of the same chromosomes

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13
Q

Purpose of mieosis

A

Is the process of creating gametes( sex cells that have HALF the normal chromosomes)

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14
Q

Before meiosis

A

S phase- dna replication
G1 and G2-cell grows and makes proteins

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15
Q

Meiosis 1

A

Separation of homologous chromosomes

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16
Q

Prophase 1

A

Nuclear membrane breaks down
Centrioles separate and make spindle fibbers
Homologous chromosomes pair up and become visible

17
Q

Crossing over

A

May occur between homologous chromosomes
Sometimes chromosomes can cross over and get tangled
They swap DNA pieces when this happens