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Plant Genetics

Plant Genetics
During meiosis crossing over takes place at

diakinesis stage
zygotene stage
diplotene stage
pachytene stage

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Plant Genetics
In case of incomplete dominance, the phenotypic ratio of a monohybrid cross will be

1:2:1
3:1:1
1:1:2
1:3:1

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Plant Genetics
A plasmid used to introduce BT toxin into a plant cell

carries an antibiotic resistance gene that makes the plant resistant to antibiotics
causes the plant to produce opines
carries a bacterial gene with a plant promoter
is toxic for the plant cell

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Plant Genetics
What is the approximate size (in kb) of the melon mitochondrial genome?

2400 kilobase
600 kilobase
3000 kilobase
1200 kilobase

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Plant Genetics
In the meiotic cell divison in daughter cells are produced by two successive division in which

both divisions are reductional
both divisions are equational
first division is reductional and second is equational
first division is equational, second is reductional

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Plant Genetics
When F1 plants are crossed with homozygous recessive plants, it is known as

para-cross
recessive cross
test cross
criss-cross

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