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Which of these is the result of an extra chromosome?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Blood types in humans are an example of traits controlled by ___.
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Which pair of chromosome produces a female offspring?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Which pair of chromosome produces a male offsprong?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Which of these describes how an organism looks?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Which process separates chromosomes?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Which of these separates during meiosis?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
Whch of these is usually the cause of human genetic disorders?
multiple alleles
meiosis
alleles
Down's syndrome
a female X chromosome and a male Y chromosome
a female X chromosome and a male X chromosome
its phenotype
recessive genes
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