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If the revcesive allele fir cystic fibrosis is represented as c, classify the following genotypes as homozygous dominant, homozygous recessive,or carriers:CC, Cc, cc. distinguis…
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If the revcesive allele fir cystic fibrosis is represented as c, classify the following genotypes as homozygous dominant, homozygous recessive,or carriers:CC, Cc, cc. distinguis…
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May 23, 2016
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if the revcesive allele fir cystic fibrosis is represented as c, classify the following genotypes as homozygous dominant, homozygous recessive,or carriers:CC, Cc, cc. distinguish ehifh which genotype is of an individual who has cystic fibrosis
English
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C = dominant
c = recessive (cystic fibrosis)
CC, cc = homozygous (homo = same)
Cc = heterozygous (hetero = different)
Recessive traits are expressed only when two recessive alleles are present
If you get
CC
, you will not have cystic fibrosis. (
c
is the cystic fibrosis allele)
This person would be
homozygous dominant
and would not pass on the disease because they do not have any cystic fibrosis alleles.
If you get
Cc
you will not have cystic fibrosis b/c the
C
is dominant and overrides the cystic fibrosis allele
c
.
This person would be
heterozygous
and, though they do not have the disease, they would still have a chance of passing on the disease because they carry the cystic fibrosis allele.
If you get
cc
you will have cystic fibrosis b/c
c
is the cystic fibrosis allele and it is not being overridden by a dominant allele.
This person would be
homozygous recessive
.
Prostakov
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May 27, 2016
by
Prostakov
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