Which of the meiotic pairing possibilities in tetraploids and their consequence is correct?

A-chromosomes pair as bivalents, segregate normally producing diploid gametes.

B- Chromosomes pair as quadrivalent, segregates normally producing tetraploid gametes.

C-Chromosome pair as Trivalents form, segregation leads to nonfunctional aneuploid gametes

 D- Chromosome pair as Trivalents form, segregation leads to producing diploid gametes

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#Question id: 4807

#Unit 8. Inheritance Biology

Three incompletely link marker gene was found. There is a marker A gene present in middle. Cross between aaBBcc X AAbbCC to produce heterozygous were allowed test cross, which of the following test cross offspring should be least frequent?

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#Question id: 10606

#Unit 10. Ecological Principles

Identify the incorrect combination from the following list

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#Question id: 3435

#Unit 11. Evolution and Behavior

You turn on a light and observe cockroaches scurrying to dark hiding places. What have you observed?

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#Question id: 5270

#Unit 8. Inheritance Biology

In conjugation, transformation, or transduction, the recipient bacteria is most likely to accept donor DNA

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#Question id: 1039

#Unit 4. Cell Communication and Cell Signaling

One of the first chemicals used by Lister to prevent surgical infections was