General Biology
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Chromosome pairs that are similar in size, shape, and contain the same genes are referred to as
Homologous chromosomes have alleles of the same ____ located at the same _____.
A human somatic cells contain 22 pairs of ________ and 1 pair of _______.
A pair of homologous chromosomes is similar in all the following aspects except:
In a trisomy 21 condition, which of the following causes the extra copy of chromosome 21?
Humans have 23 pairs of chromosomes. Of the 23 pairs, ____ pairs are autosomes and ____ pair(s) are sex chromosomes.