In agamospermy, diploid embryo sac is derived from

The embryo sacs are

In agamospermy, the embryo sac is diploid because it is formed without meiosis, such embryo sac may develop from

In capsella, the embryo sac is diploid.

The yolk sac of mammalian embryo is derived from

The yolk sac of mammalian embryo is derived from

In nonrecurrent agamospermy the embryo is

In an angiosperm the embryo sac is haploid , zygote is diploid and endosperm is triploid. Justify giving reasons for each stage.

In an angiosperm the embryo sac is haploid , zygote is diploid and endosperm is triploid. Justify giving reasons for each stage.

In an angiosperm the embryo sac is haploid , zygote is diploid and endosperm is triploid. Justify giving reasons for each stage.

In an angiosperm the embryo sac is haploid , zygote is diploid and endosperm is triploid. Justify giving reasons for each stage.