Biology

Biology, 15.07.2019 19:00, mackenziewright2002

Chromosome abnormalities may a) cause disease b) not cause disease in some carriers c) be lethal d) all of the above

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Biology, 27.06.2019 01:30, brianogle4069

Huntington's disease is caused by an autosomal dominant allele. it is a lethal disease, but it persists in the human population. which of the following statements best describes why? a. huntington's disease is sex-linked and every human has at least one ; chromosome; thus, the chances are extremely high for this allele to be maintained in the human population. b. huntington's disease presents symptoms that resemble cases reflecting a lack of dominance in some individuals; in those cases, the allele is passed on to the offspring. c. while lethal to a parent, huntington's disease will not be lethal to the offspring since it can skip a generation. d. huntington's disease presents symptoms in humans after many have already reproduced; therefore, they are unaware that they passed on huntington's disease. e. huntington's disease can be treated in humans that are heterozygous for the condition, but individuals who are homozygous cannot receive treatments; thus, they pass on the alleles to their offspring.

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Biology, 23.07.2019 13:30, thajaalalqo

In recessive lethal diseases such as tay-sachs disease, carriers have one copy of the normal allele and one copy of the allele for the disease. carriers are represented in the hardy-weinberg formula by

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Biology, 23.07.2019 15:20, TropicalFan

Consider a sex-linked inherited disease like hemophilia. males are never hidden carriers of this type of inherited disease. why? a) males only inherit the gene for the disease from their mothers. b) males cannot inherit the normal, disease-free gene from either parent. c) males do not have a second x chromosome that could mask the gene for hemophilia. d) the y chromosome found in males is a recessive chromosome and cannot carry the dominant gene for hemophilia.

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Social Studies, 23.09.2019 19:10, gracetay3721

In recessive lethal diseases such as tay-sachs disease, carriers have one copy of the normal allele and one copy of the allele for the disease. carriers are represented in the hardy-weinberg formula by

Answers: 2

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