Two chromosomes in a nucleus that carry genes for the same traits, but can specify different versions of the same traits, are called

A normal female has the genotype

In a cell with a diploid number of 10 chromosomes, meiosis results in the formation of haploid daughter cells each with __ chromosomes.

___ initiates the diploid stage of the human life cycle.

In humans the ___ determines the sex of the baby because ___.

Different visible traits (blue eyes, straight hair, etc) is called

The letters used to designalte the trait (ex: AA or Aa) is called a

Different forms of the same trait (blond hair or brown hair) in homologous chromososmes is called

The offspring of different varieties are referred to as

In a testcross, the organism with the unknown genotype is

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