Reproduction Flashcards
(26 cards)
is a vital function of all living things
reproduction
is the biological process by which new offspring individual organisim are provided from their parents
procreation
is the scientific word for a child
offspring
it happens when a individual can reproduce without involvement with another individual of that species
asexual reproduction
is a kind of asexual reproduction where a new individual known as the offspring is produces from a single parent
vegetative reproduction
is commonly observed in single celled organisims such as bacteria and protozoa
fission
cell parts that is divided by fission
nucleus and cytoplasm
occurs in unicellular organisms such as yeast and in simple multicellular animals such as hydra
budding
is also called multiple fission, bread molds mosses and ferns reproduce by forming spores that germinate into new individuals without fertilization
spore formation
5 parts of spore formation
stolon, spores, sporangium, sporangiophore, rhizoid
is a common type of a reproduction among plants and in some animals, such as sponges and flatworms
regeneration/fermentation
typically requires the involvement of two individuals or gametes, one each from opposite type of sex
sexual reproduction
it brings together the gametes of a flower and it occurs when a pollen grain of the right kind lands in thr stigma of the pistil
pollination
is anything that helps carry pollen from the male part of the flower to the female part of the same or another flower.
Pollinator
The part of the pistil where pollen germinates.
stigma
The enlarged basal portion of the pistil where ovules are produced.
ovary
fertilized egg cell that results from the union of a female gamete with a male gamete
zygote
is from the father fuses in human life cycle
haploid sperm
is from the mother in human life cycle
haploid egg
is called in culminating in fission in their nuclei
fertilization
how many chromosomes does a human have
46 chromosomes
when gametes undergo meiotic division the gametes will only have how many each
23 chromosomes
is a special condition of a person where he has an extra chromosome 21
down syndrome
what is the third chromosome called
trisomy 21