Chapter13 Flashcards

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0
Q

Homologs separate

A

Meiosis 1

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1
Q

Sister chromatids separate

A

Meiosis 2

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2
Q

The transmission of traits from one generation to the next

A

Heredity

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3
Q

The scientific study of heredity and hereditary variation

A

Genetics

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4
Q

Reproductive cells (sperm and eggs)

A

Gametes

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5
Q

____ molecule coiled in association with various proteins

A

DNA

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6
Q

DNA molecule coiled in association with various _____

A

Proteins

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7
Q

A gene’s specific location along the length of a chromosome

A

Locus

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8
Q

Not sexual, 1 parent, mitosis, offspring are exact copies of parent

A

Asexual reproduction

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9
Q

2 parents, sperm and egg, meiosis, offspring are genetically different

A

Sexual reproduction

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10
Q

Generation to generation sequence of stages in the reproductive history of an organism from conception to production of its own offspring

A

Life cycle

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11
Q

A display of condensed chromosomes arranged in pairs

A

Karyotype

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12
Q

Female sex chromosomes

A

XX

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13
Q

Male sex chromosomes

A

XY

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14
Q

Other chromosomes are called

A

Autosomes

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15
Q

A ____cell is any cell with 2 chromosome sets and is referred to as 2n

A

Diploid

16
Q

Humans diploid number

A

46

17
Q

Haploid number in humans

A

23

18
Q

How many Autosomes in a human haploid number

A

22

19
Q

Union of gametes

A

Fertilization

20
Q

The fertilized egg and is 2n (always haploid)

A

Zygote

21
Q

The only cells not produced by mitosis are

A

Gametes

22
Q

Gametes are formed by

A

Meiosis

23
Q

Sister chromatids make up one replicated

A

Chromosome

24
Q

DNA is packaged into

A

Chromosomes

25
Q

Prelude to crossing over, lining up of homologous

A

Synapsis

26
Q

Genetic rearrangement between non sister chromatids

A

Crossing over

27
Q

Meiosis 1 is often called reduction division because it halves the number of

A

Chromosomes