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___ initiates the diploid stage of the human life cycle.
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
Different forms of the same trait (blond hair or brown hair) in homologous chromososmes is called
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
A normal female has the genotype
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
In a testcross, the organism with the unknown genotype is
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
Different visible traits (blue eyes, straight hair, etc) is called
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
In a cell with a diploid number of 10 chromosomes, meiosis results in the formation of haploid daughter cells each with __ chromosomes.
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
Two chromosomes in a nucleus that carry genes for the same traits, but can specify different versions of the same traits, are called
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
In humans the ___ determines the sex of the baby because ___.
an allele.
5
XX
male...either an X or Y gamete will fertilize the egg
always crossed with a homozygous recessive individual.
a phenotype.
Fertilization
homologous chromosomes
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