A structure consisting of two homologous chromosomes bound together so tightly during the first meiotic prophase that they behave as a single unit is called a ________
Fill in the blank with correct word.
Answer: bivalent
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Almost all known plant viruses are RNA viruses.
Answer the following statement true (T) or false (F)
Transport of two different substances can be linked. If the transport is in the same direction it is called ________; if the transport is in opposite directions it is called ________.
Fill in the blank(s) with the appropriate word(s).
If each phenotypically normal parent is heterozygous for albinism and deafness, the chance that they
will produce a deaf albino is 1 in 16. Indicate whether the statement is true or false.
In meiosis I cytokinesis usually occurs after telophase I and produces
A. one diploid cell with sister chromatids still attached. B. two haploid cells with sister chromatids still attached. C. four haploid cells. D. two diploid cells. E. one haploid cell.