Sexual Reproduction (Rhizopus) (Leaving Cert Biology): Flashcards
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Practise the cards
13 cards from this deck
Strains needed for Rhizopus sexual reproduction
Strains needed for Rhizopus sexual reproduction
Opposite strains (plus and minus)
Two strain types in Rhizopus
Two strain types in Rhizopus
Plus (+) and minus (-) strain
Chemotropism definition
Chemotropism definition
Growth response to chemicals
What attracts Rhizopus hyphae together
What attracts Rhizopus hyphae together
Chemotropism (hyphae release chemicals)
Swelling with nuclei before cross walls form
Swelling with nuclei before cross walls form
Progametangium
Progametangia after cross walls form
Progametangia after cross walls form
Gametangia
Process during Rhizopus fertilisation
Process during Rhizopus fertilisation
Two haploid nuclei join
Ploidy of zygote in Rhizopus
Ploidy of zygote in Rhizopus
Diploid (2n)
Structure formed when tough wall surrounds zygote
Structure formed when tough wall surrounds zygote
Zygospore
State of zygospore in unfavourable conditions
State of zygospore in unfavourable conditions
Dormant
Division type when zygospore germinates
Division type when zygospore germinates
Meiosis
Physical characteristics of zygospores
Physical characteristics of zygospores
Small and light
Advantage of zygospore wind dispersal
Advantage of zygospore wind dispersal
Can reach more favourable conditions