Question: You’re working in a lab that studies a particularly fetchingbird from

Question

Question:

You’re working in a lab that studies a particularly fetchingbird from Brazil. This bird has a diploid number of 20chromosomes in its somatic cells, consisting of 10 homologous pairs(i.e. 10 maternal and 10 paternal chromosomes). Anotherstudent in your lab tells you that only one-fourth of the gametesproduced by meiosis in this bird will have all of its chromosomesfrom either maternal or paternal origin (i.e. all the chromosomesfrom dad or all the chromosomes from mom). Explain whetheryou think your lab buddy is correct.

((I don't really know how to approach this question; plus, I don'tbelieve I fully understand this question in the first place -English as a second language))

Thanks in advance!

Explanation / Answer

  Sex chromosomes are reversed in birds, butterflies and moths. Yes, the lab buddy is right.

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