Gynogenesis Flashcards

1
Q

Gynogenesis merupakan

A

Ovary/ovule culture

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2
Q

Pada onion metode ini digunakan dengan memanfaatkan

A

Culture of unpollinated flower buds

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3
Q

Selain pada onion metode gynogenesis juga efektif pada

A

Cucumber

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4
Q

Prinsip dasar gynogenesis

A

Membuat sel telur membelah tanpa diberikan sel sperma (tipu-tipu)

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5
Q

Pada watermelon metode yang digunakan yaitu

A

Haploid induction via unfertilized ovary culture

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6
Q

Parthenogenesis induction and haploid plant regeneration
in … “Hi power”

A

Cucumis sativus L. cv.

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7
Q

urutan Parthenogenesis induction

A

pollen irradiation > in vivo fertilization > rescue of
haploid embryos > plant regeneration

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8
Q

Penggandaan Kromosom bisa digunakan dengan …

Diploidization
explants treated at …
day with:

A

Kolkisin/Orizalin

24°C

> 2.5 mM colchicine (up
to 65.7% of diploids)
50 µM Oryzalin (up to
57.1 % of diploids).

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9
Q

Aplikasi Haploid dan HG

A

Memfasilitasi analisis genetik
Fiksasi langsung dari suatu gen target (tanaman menyerbuk sendiri)
Memproduksi galur murni (galur homosigous)

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10
Q

Mempasilitasi pemuliaan-molekular

A
  • Pemetaan gen
  • Marker Assisted Selection (QTL’s for polygenetic traits) * Bulked segregant analysis
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11
Q

Perbedaan efisiensi waktu yang sangat signifikan, dalam proses seleksi dan pembentukan galur homosigous

A
  1. Pemuliaan Teknologi Haploid pada F1 sudah bisa menghasilkan Tanaman Haploid > Tanaman Haploid Ganda (Galur Homozigot-komplit)
  2. Pemuliaan Konvensional > F8 (Galur Murni/Homozigot)
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12
Q

The effect of ploidy level on leaf size (a), flower (b), and fruit (c, d) in C. sativus L. cv. ‘Hi
Power

A

Left: doubled haploid (2n) bigger than ; right: haploid (n)

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13
Q

Vigor Hibrida Cabai Potensial F1 antar HG:

A

GD-2 x CD-2

GD-2 : Besar
CD-2 : Keriting pedas

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