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Biology-inheritance,variation And Evolution > Inheritance,variation and evolution > Flashcards

Inheritance,variation and evolution Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Mitosis

A

Leads to two identical daughter cells

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2
Q

Miosis

A

Leads to 4 different daughter cells

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3
Q

Miosis uses …

A

Sexual reproduction (gametes)

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4
Q

Mitosis uses …

A

Growth repair

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5
Q

Women gametes

A

Eggs

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6
Q

Male gametes

A

Sperm

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7
Q

Female plant gametes

A

Eggs (stigma)

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8
Q

Male gametes in a plant

A

Pollen (starten)

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9
Q

Miosis = 2 divisions

A

1st division - propase - metaphase - anaphase - telophase - 2nd division anaphase -propase metaphase -telophase

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10
Q

Asexual reproduction

A

When only one parent reproduces

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11
Q

Asexual reproduction is …

A
  • common in the plant world

- means we would have a genetically identical population

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12
Q

Is bacteria/fungi mitosis or miosis

A

Mitosis = so all daughter cells will be the same

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13
Q

Advantages of sexual reproduction

A
  • genetically diverse population

- better protected from disease because not very one is the same people will react to different things in different ways

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14
Q

Disadvantages of sexual reproduction

A

-mate required

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15
Q

Advantages of asexual production

A
  • one parent

- energy is conserved

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16
Q

Disadvantages of Asexual reproduction

A

-genetically identical

17
Q

AGA

A

Arginine (amino acid)

18
Q

GTG

A

Leucine

19
Q

Protein cells are …

A

Hormones
Enzymes
Cell wall
Basically a re and help with everything in the body

20
Q

Gamete

A

Sex cell

21
Q

Gene

A

Stretch of DNA,codes for characteristics

22
Q

Genome

A

All genes in the body

23
Q

Chromosome

A

Bundled up DNA

24
Q

Allele

A

Different versions of genes

25
Q

Dominant

A

Only need one gene to express characteristic

26
Q

Recessive

A

Needs 2 identical recessive genes to express characteristics

27
Q

Homozygous

A

Genes are the same

28
Q

Heterozygous

A

Genes are different

29
Q

Genotype

A

What genes you have

30
Q

Phenotype

A

What characteristics you have

31
Q

Polydactyl

A

Someone who has extra fingers or toes

-dominant (only need one parent with this )

32
Q

Cystic fibrosis

A
  • thick cystic mucus blocks airway

- recessive disease

33
Q

Embryo screening advantages

A

Healthy embryos planted

Saviour sibling

34
Q

Embryo screening disadvantages

A
  • embryos are going to be created and destroyed

- people have religious objections to this

35
Q

Where are chromosomes located and how many does the body have ?

A

In the nucleus

The body has 23 pairs or 46 in total

36
Q

Females in chromosomes is …

A

XX

37
Q

Makes in chromosomes is …

A

YX

38
Q

What effects phenotype

A
  • characteristics

- how you look

Biology-inheritance,variation And Evolution (1 decks)

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