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Biology > Chapter Ten > Flashcards

Chapter Ten Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Genetics

A

Study of heredity

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2
Q

Heredity

A

Passing of traits from parent to offspring

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3
Q

Trait

A

Inherited characteristic

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4
Q

Allele

A

2 make up a gene

T, t

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5
Q

DNA

A

Stores genetic code

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6
Q

Heterozygous

A

To

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7
Q

Homozygous

A

TT

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8
Q

Genotype

A

Alleles

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9
Q

Phenotype

A

Looks

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10
Q

Dominant

A

R

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11
Q

Recessive

A

r

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12
Q

Meiosis

A

Cell development/reduction

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13
Q

Gamete

A

Sex cell

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14
Q

Haploid

A

Split sex cell
23 chromosomes
(n)

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15
Q

Diploid

A

Not split
46 chromosomes
(2n)

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16
Q

Zygote

A

Fertilized Cell

17
Q

Fertilization

A

Male gamete unites with female gamete

18
Q

Crossing over

A

2 genes switch

19
Q

Genetic recombination

A

Multiple genes switch

20
Q

Nondisjunction

A

Chromosomes not evenly split

23+24

21
Q

Punnett square

A

Genetic cross tool

22
Q

Hybrid

A

TTxtt=Tt

23
Q

Purebred

A

TT x TT= TT

24
Q

Who is Gregor Mendel

A

Father of genetics, first to study genetics

25
Q

4 facts about Gregor Mendel

A

Monk
From Austria
Gardener
1860s

26
Q

2 laws of Gregor Mendel

A

Law of segregation

Law of independent assortment

27
Q

Famous experiment

A 
Tall + short
⬇️
Tall + Tall
⬇️
Tall tall tall short
28
Q

Law of segregation

A

Only one allele per trait can be passed per offspring

T or t

29
Q

Law of independent assortment

A

One trait doesn’t influence how another trait is passed on

30
Q

Results of meiosis

A

4 unique sex cells

31
Q

Importance of meiosis

A

Sexual reproduction and maintain same number of chromosomes

Biology (9 decks)

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