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Give the possible genotypes of the reproductive parts listedbelow if a female plant (flower-pistal) with the genotype "aa" iscross pollinated by a male plant (flower-anther) with a genotype"Aa"

Megaspore mother cell -

Microspore-

cells of cotyledon from resulting embryo after doublefertilization

cells of endosperm after double fertilization

sepal cells of the female

pollen grain cells

integument

seed coat

cells of fruit

polar nuclei

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Casey DurganLv2
28 Sep 2019
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Related questions

Angiosperm Life Cycle Involving Genetics of the Various Parts
In lecture Wednesdat we discussed double fertilization and its outcome during
the plantҀ™s life cycle. Give all possible genotypes of the various cycle parts
listed below, if a female plant (flower-ovary/ovule) with the genotype "aa" is cross
pollinated by a male plant (flower -anther) with a genotype "Aa". (5
points)

megaspore mother cell -

microspore-

cells of cotyledon from resulting embryo after double fertilization-

cells of endosperm after double fertilization-

sepal cells of female flower-

pollen grain cells (generative nucleus)-

integument-

seed coat -

cells of fruit -

each polar nucleus -

Give the possible genotypes and ploidy of the reproductive parts listed below if a pine tree with female megasporophylls have a genotype "aa" is cross pollinated by a male plant with cones which have microsporophylls with a genotype "Aa". These plants are usually dioecious.

microspore mother cell -

megaspore-

cells of cotyledon from resulting embryo after fertilization-

cells of the integument-

archegonia cells -

pollen grain cells-

sperm-

seed coat -

megagametophyte -

ovule and integuments-

Do these plants exhibit double fertilization?

Do these plants produce a fruit?

Do these plants have an ovary?

Give the ploidy (haploid, diploid or triploid)of the following parts of the life cycle:

sperm nuclei-

zygote-

cells which make up the cotyledon cells of endosperm after double fertilization-

each polar nuclei-

sepal cells of the flower-

endosperm-

pollen grain tube nucleus-

cells which make up the ovary-

cells which make up the seed coat-

leaves on the mature plant-

cells which make up the fruit-

megaspore-

microspore mother cell-

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