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Sexual & Asexual Reproduction > Dictionary > Flashcards

Dictionary Flashcards

1
Q

Sexual reproduction

A

Involves gametes from 2 parents and leads to variation

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2
Q

Asexual reproduction

A

One parent reproduces by mitosis to produce identical offspring

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3
Q

Fertilisation

A

Nuclei of male & gametes fusing together, combining their chromosomes

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4
Q

Pollination

A

Transfer of pollen from anther of one flower to the stigma of another flower

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5
Q

Variation

A

Difference between individuals as a result of sexual reproduction

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6
Q

Hydroponics

A

Plants grown in water containing nutrients, without soil

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7
Q

Seed

A

Fertilised ovule containing an embryo plant and a food store
What a female gamete turns into after fertilisation

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8
Q

Fruit

A

Mechanism for dispersing seeds formed from ovary wall

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9
Q

Tissue culture

A

Modern, high tech process where new plant grown from few cells of a donor plant

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10
Q

Germination

A

When a seed breaks dormancy and starts to grow into a new plant

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11
Q

Pharming

A

Producing medicines using genetically modified plants

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12
Q

Gamete

A

Special sex cells that parents produce during sexual reproduction

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13
Q

Chromosomes

A

DNA molecule that carries genetic information organised into genes

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14
Q

Gene

A

Sections of genetic code which are the instructions for building a new individual by getting proteins into correct order

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15
Q

Ovary (mammal)

A

Female reproductive organ where eggs are produced

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16
Q

Uterus

A

Organ in female mammal where offspring are conceived and where they are carried until birth

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17
Q

Oviduct

A

Tube in which an egg passes from the ovary

18
Q

Embryo

A

Unborn offspring in the profess of developing, occurs after fertilisation of an egg.

19
Q

Amniotic sac

A

Thin walled sac that surrounds the foetus during pregnancy
Holds the amniotic fluid which protects foetus during pregnancy and helps regulate their temperature

20
Q

Stigma

A

Pollen grains become attached here

21
Q

Amniotic fluid

A

Protective liquid inside the amniotic sac which protects the growing foetus during pregnancy by acting like a cushion

22
Q

Placenta (mammal)

A

An organ inside the uterus which nourishes the foetus through the umbilical cord

23
Q

Placenta (flower)

A

Part of the ovary wall in which the ovules are attached

24
Q

Foetus

A

Offspring in the prenatal stages of development that follow the embryo stage
Called a foetus after implantation

25
Q

Prenatal

A

Before birth; during or related to pregnancy

26
Q

Pollen

A

Male gamete in a plant

27
Q

Ovule

A

Female gamete in a plant

28
Q

Ovary (plant)

A

Female part containing ovules

29
Q

Style

A

Connects stigma to ovary

30
Q

Stamen

A

Male part or anther and filament

31
Q

Anther

A

Contains pollen grains (male sex cells)

32
Q

Petal

A

Brightly coloured and scented to attract insects

33
Q

Sepal

A

Protects unopened flower

34
Q

Propagation

A

To produce more plants

35
Q

Tubers

A

Underground food stores with special cells that can grow into new plants when conditions are right

36
Q

Runners

A

Specialised stems which grow horizontally along the ground with baby plants at the end.
When they touch soil roots are produced and the young plant can grow independently

37
Q

Leaflets

A

Special leaf tissues that can drop onto the soil and grow into new plants

38
Q

Bulb

A

Different type of underground food store made of adapted stems with fleshy leaves

39
Q

Artificial propagation

A

A type of propagation carried out by humans, where pieces of plant are cut off and are used to grow more plants identical to the parent plant

40
Q

Aesthetics

A

How pretty something looks

Sexual & Asexual Reproduction (29 decks)

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