Sexy sexy seeds Flashcards

(44 cards)

1
Q

The expanded, apical, pollen-bearing portion of the stamen

A

Anther

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2
Q

Production of an embryo/seed without fertilization; results in clonal offspring of the parent plant

A

Apomixis

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3
Q

Female reproductive organ located in the innermost whorl of the flower; also known as the pistil

A

Carpel

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4
Q

A type of flower that contains all four whorls

A

Complete flower

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5
Q

A cross in which the parent plants have been selected by a plant breeder

A

Controlled cross

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6
Q

Pollination of a flower by a male parent that is NOT genetically identical to the female; pollination between different clones

A

Cross pollination

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7
Q

Spontaneous opening of a structure such as an anther or fruit permitting the escape of reproductive entities contained in the structure

A

Dehiscence

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8
Q

A species having separate male and female plants

A

Dioecious

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9
Q

Term used to describe cells that have two sets of chromosomes (twice that of a sex cell)

A

Diploid

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10
Q

Process that takes place in angiosperms in which two fertilization events occur–egg with pollen cell and polar nuclei with pollen cell

A

Double fertilization

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11
Q

Removal of male parts from the flower

A

Emasculation

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12
Q

The developing new plant inside a seed that the zygote becomes

A

Embryo

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13
Q

A triploid tissue containing stored food that is digested by the developing zygote as it grows into an embryo and then a mature seed

A

Endosperm

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14
Q

A first generation hybrid; the direct result of the crossing of two parent plants

A

F1 hybrid

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15
Q

Fusion of male and female gametes to form a diploid cell

A

Fertilization

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16
Q

Stalk of the stamen

A

Filament

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17
Q

Sex cell

A

Gamete

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18
Q

Term used to describe the characteristic of sex cells only containing half of the genetic material of the parent cell

19
Q

A type of flower that is missing either the male or female organs (stamen or pistil)

A

Imperfect flower

20
Q

A type of flower that is missing one or more of the four whorls

A

Incomplete flower

21
Q

An aggressive plant that escapes cultivation and takes over natural areas, crowding out native species

A

Invasive species

22
Q

A block of plants placed together for open pollination away from any other plants to help reduce crossing with unknown plants outside of the block

A

Isolation block

23
Q

Type of cell division that occurs in the reproductive parts of the plant and in which the daughter cells are NOT genetically identical to the parent cell

24
Q

A species having male and female reproductive organs on the same plant

25
A cross in which plants are allowed to freely cross pollinate with other plants around them; specific parent plants may be unknown (OP)
Open pollinated
26
Swollen area at the base of the pistil that eventually becomes a fruit
Ovary
27
Compartment in the ovary containing the egg cell that eventually becomes the seed
Ovule
28
Asexual development of a fruit, without fertilization and sometimes, pollination, occuring
Parthenocarpy
29
A type of flower that contains both male and female organs (stamen and pistil)
Perfect flower
30
Floral organ located the next whorl in from the sepals that usually provides the flower with color and attracts pollinators
Petal
31
Female reproductive organ located in the innermost whorl of the flower; also known as the carpel
Pistil
32
This document gives the holder legal control over the propagation and sale of a particular plant clone for a given amount of time
Plant patent
33
Two envelopes of genetic material that fuse with a pollen cell to form a triploid endosperm
Polar nuclei
34
Transfer of pollen to the plant's female reproductive organ
Pollination
35
Development of multiple embryos--both sexually and asexually--within a seed
Polyembryony
36
The outer layer of the seed that protects it and plays a role in seed dormancy
Seed coat
37
Pollination of a flower by a clonal, genetically identical male parent
Self pollination
38
Floral organ located in the outermost whorl of the flower which is often green but can also have color and look similar to a petal; helps protect the developing flower bud before opening
Sepal
39
Male reproductive part of the flower located the next whorl in from the petals
Stamen
40
Sticky tip of the pistil that receives pollen
Stigma
41
Stalk of the pistil
Style
42
Ownership of a particular plant name for marketing purposes
Trademark
43
A cross made between plants that are not closely related that often yields sterile or infertile offspring
Wide cross
44
Genetically unique, diploid cell resulting from fertilization
Zygote