A	Silurian	I	Seed plants appear
B	Devonian	II	Gymnosperms dominant
C	Carboniferous	III	Invasion of land by primitive land plants
D	Jurassic	IV	first reptiles

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#Question id: 4802

#8. Inheritance Biology

Why is tetrad analysis useful for studying genetics?

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#Question id: 4803

#8. Inheritance Biology

Linked genes:

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#Question id: 4804

#8. Inheritance Biology

Formation of the following pattern in an ordered octad is due to what event during meiosis? Pattern: AAaaaaaAA

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#Question id: 4805

#8. Inheritance Biology

What is maximum parental frequency for two genes if single cross over within two strands?

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#Question id: 4806

#8. Inheritance Biology

Four incompletely link gene as cis configuration, Heterozygote ABCD/abcd produced a gamete with genotype AbCD is due to

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#Question id: 4810

#8. Inheritance Biology

In a haploid organism, the C and D loci are 8 m.u. apart. From a cross C d X c D, which of the following proportion following progeny classes: (a) C D; (b) c d; (c) C d