Sex determination in birds

#BirdsGenetics #BirdsBreeding #BirdsSelection #genetics #inheritance #receessiveDisorder #NikolaysGeneticsLessons #ZZZWSystem #sperm #SexLinkedTraitsInBirdGenetics #autosomal #phenotype #gene #Cancer #sexlinkedTraits #sexChromosomes #ZChromosome #GeneticsLecture #ovum #SexDetermination #birdsGenetics #ZWSexdeterminationSystem #XYSexdeterminationSystem #hen #rooster #heterogametic #homogametic #ZZ #ZW #chromosome #Allele #ZZSEXDETERMINATION #geneticsBiology https://www.youtube.com/watch?v=abwGhr19PQw