Angiosperm Reproduction and Biotechnology Flashcards

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1
Q

Angiosperm alternating generations

A

dominant sporophyte stage and reduced gametophyte stage

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2
Q

4 reproductive structures of a flower

A

carpels, stamens, petals, and sepals

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3
Q

Sepals

A

modified leaves that protect flower buds

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4
Q

Petals

A

attract pollinators

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5
Q

Stamens

A

male reproductive structure that produces male gametophytes

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6
Q

Carpels

A

female reproductive structure that harbors female gametophytes and receive male ones

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7
Q

Eudicots

A

develop two cotyledons

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8
Q

Monocots

A

develop one cotyledon

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9
Q

Cotyledon

A

embryonic leaf

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10
Q

Epicotyl

A

embryonic shoot

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11
Q

Radicle

A

embryonic root

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12
Q

How do seeds enter dormancy?

A

they dehydrate as they reach maturity

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13
Q

Germination process

A

initiation by water absorption
1. seed coat breaks down and radicle emerges
2. epicotyl emerges from soil and cotyledons photosynthesize
3. epicotyl develops true leaves

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14
Q

Apomixis

A

ovules develop into complete seeds without fertilization

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15
Q

Monoecious angiosperm

A

a perfect flower containing both carpel (female) and stamen (male)

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16
Q

Dioecious angiosperms

A

produce either male or female flowers