A plant species exhibits diplospory. Which of the following statements accurately describes the origin of the embryo sac in this species?
The embryo sac develops directly from the megaspore mother cell without meiosis.
The embryo sac develops from a haploid megaspore after meiosis.
The embryo sac develops from a nucellar cell.
The embryo sac develops from an integumentary cell.
Related Questions
Apomixis is?
Development of plants in darkness
Development of plants without fusion of gametes
Inability to perceive stimulus for flowering
Effect of low temperature on plant growth
Which of the following is NOT a potential evolutionary advantage of apomixis?
Increased genetic diversity within populations
Faster colonization of new habitats
Maintenance of advantageous genotypes in unstable environments
Reduced reliance on pollinators
Apomixis and parthenocarpy are similar in lacking?
meiosis
fertilization
requirement of pollinator
all
Which statement is true about polyembryony?
It always results in genetically diverse offspring.
It only occurs in gymnosperms.
It prevents self-fertilization.
It can result in genetically identical offspring.
In a type of apomixes known as adventive embryony, embryos develop directly from the
Nucellus or integuments
Synergids or antipodals in an embryo sac
Accessory embryo sacs in the ovule
Zygote
Apomixis arises due to
Development of an embryo without meiosis and fertilization
Development of an embryo from a fertilized egg
Development of an embryo from a haploid cell
Development of an ovary without pollination
A plant species reproduces through apospory. Which of the following is TRUE about the embryo sac formed?
It is haploid and develops from the megaspore mother cell.
It is diploid and develops from a somatic cell of the ovule.
It is triploid and develops from the fusion of polar nuclei and a sperm.
It is haploid and develops from a synergid.
Adventive polyembryony occurs in?
pea
brassica
allium
citrus
Polyembryony can be observed in which of the following?
Mango
Banana
Citrus fruits
Papaya
In apomixis, the embryo develops directly from:
A haploid egg cell
A diploid cell in the ovule
The fusion of gametes
A pollen grain
