In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of corn plants (i.e. the tassel) unable to produce fertile pollen; the female parts, however, remain receptive to pollination by pollen from male-fertile corn plants. However, the presence of a nuclear fertility restorer gene F restores fertility to male-sterile lines. Using the following color-coded circles, simulate the crosses indicated below. Put the illustrations of crosses in the spaces provided. Be sure to include in the labels the genotypes and phenotypes of the offspring in each cross. Big light green circle - male-sterile cytoplasm Big orange circle - male-fertile cytoplasm Small orange circle - FF nucleus Small half-light green-half-orange circle - Ff nucleus Small light-green circle - ff nucleus 2. In corn, male sterility is controlled by maternal cytoplasmic elements.This phenotype renders the male part of corn plants (i.e. the tassel)unable to produce fertile pollen; the female parts, however, remainreceptive to pollination by pollen from male-fertile corn plants.However, the presence of a nuclear fertility restorer gene F restoresfertility to male-sterile lines.Using the following color-coded circles, simulate the crosses indicatedbelow. Put the illustrations of crosses in the spaces provided. Be sureto include in the labels the genotypes and phenotypes of the offspringin each cross.Big light green circleBig orange circleSmall orange circleSmall half-light green-half-orange circle - Ff nucleusSmall light-green circle- male-sterile cytoplasm- male-fertile cytoplasm- FF nucleus- ff nucleus

Name: In corn, male sterility is controlled by maternal cytoplasmic elements
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Description: In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of corn plants (i.e. the tassel) unable to produce fertile pollen; the female parts, however, remain receptive to pollination by pollen from

Cytoplasmic male sterility is partial or total sterility due to mitochondrial and nuclear…

Answered: In corn, male sterility is controlled…

Biology: The Dynamic Science (MindTap Course List)

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ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter13: Genes, Chromosomes, And Human Genetics

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Problem 8TYK: Another gene in Drosophila determines wing length. The dominant wild-type allele of this gene...

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In corn, male sterility is controlled by maternal cytoplasmic elements. This phenotype renders the male part of corn plants (i.e. the tassel) unable to produce fertile pollen; the female parts, however, remain receptive to pollination by pollen from male-fertile corn plants. However, the presence of a nuclear fertility restorer gene F restores fertility to male-sterile lines.

Using the following color-coded circles, simulate the crosses indicated below. Put the illustrations of crosses in the spaces provided. Be sure to include in the labels the genotypes and phenotypes of the offspring in each cross.

Big light green circle - male-sterile cytoplasm

Big orange circle - male-fertile cytoplasm

Small orange circle - FF nucleus

Small half-light green-half-orange circle - Ff nucleus

Small light-green circle - ff nucleus

2. In corn, male sterility is controlled by maternal cytoplasmic elements.
This phenotype renders the male part of corn plants (i.e. the tassel)
unable to produce fertile pollen; the female parts, however, remain
receptive to pollination by pollen from male-fertile corn plants.
However, the presence of a nuclear fertility restorer gene F restores
fertility to male-sterile lines.
Using the following color-coded circles, simulate the crosses indicated
below. Put the illustrations of crosses in the spaces provided. Be sure
to include in the labels the genotypes and phenotypes of the offspring
in each cross.
Big light green circle
Big orange circle
Small orange circle
Small half-light green-half-orange circle - Ff nucleus
Small light-green circle
- male-sterile cytoplasm
- male-fertile cytoplasm
- FF nucleus
- ff nucleus

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