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BSC1010-Inheritance
PBSC-BSC-The Chromosomal Basis of Inheritance
Question | Answer |
---|---|
Name a type of 2n-1 condition: | Turner Syndrome |
Y-linked genes are found on the _______. | Y Chromosome |
What is the genotype for a carrier of Galactosemia? | Aa* |
The male sex chromosomes are _____. | XY |
Cross a heterozygote and a homozygous recessive individual for Achondroplasia and indicate the percentage of offspring that will get the disease. | 50% Achondroplasia |
Transfer of a chromosome segment to a non-homologous chromosome is: | Translocation |
What genotype does not have the disease for the autosomal dominant disorders? | Homozygous Recessive |
Name a 2n+1 condition which is due to an XXY condition. | Klinefelters |
Cross a homozygous dominant individual with a homozygous recessive individual for Huntington's and determine the percentage of offspring who will have the disease. | 100% |
What is another name for Down's Syndrome? | Trisomy 21 |
Huntington's Disease is which type of heritable disorder? | Autosomal Dominant |
What are the two possible genotypes for males in hemophilia? | Xy, X*y |
Those chromosomes which are not sex chromosomes. | autosomes |
Name a type of disease that is in the category of x-linked recessive. | Hemophilia |
Name a type of genetic disorder that is in the autosomal recessive cate.gory. | Galactosemia |
Name one disease other than Huntington's that is autosomal dominant: | Achondroplasia |
Loss of a chromosomal segment by viral attack, replication errors, chemical action or irradation is known as ______. | Deletions |
Is Down Syndrome a 2n+1 or 2n-1 condition? | 2n+1 Condition |
Extra DNA inserted into a chromosome is a_______. | Duplication |
Cross a female Hemophiliac with a normal male. What percentage of the MALES will have Hemophilia? | 100%-all |
Cross a carrier with a homozygous recessive individual for Galactosemia and indicate the percentage of offspring with the disease. | 50% Galactosemic |
Cross a carrier for Hemophilia with a normal male. What percentage of the MALES will have Hemophilia? | 50% |
Cross a normal female with a Hemophiliac male. What percentage of ALL the offspring are Hemophiliacs? What percentage of just the FEMALES are carriers? | 0%; 100% |
Cross a carrier for Hemophilia with a normal male. What percentage of the FEMALES will have hemophilia? | None |
True or False? There is no carrier for an autosomal dominant disorder. | True |
Cross a carrier with a homozygous dominant individual for Galactosemia and determine the percentage of offspring that would have the disease. | None |
A visual display of chromosomes arranged from largest to smallest. | Karyotype |
The female sex chromosomes are _____. | XX |
Cross a female Hemophiliac with a normal male. What percentage of ALL the offspring will have Hemophilia? | 50% |
The total number of chromosomes in a 2n - 1 condition is: | 45 |
Another name for 2n-1 conditions in general is: | Monosomy |
The total number of chromosomes in a 2n+1 condition is: | 47 |
When the gene sequence is reversed. | Inversion |
Does the heterozygote for Huntington's have the disease symptoms? | Has Huntington's |
True or False? Genes that are located close to one another on the same chromosome tend to be passed to the same gamete together. | True |
Another name for 2n + 1 conditions in general is: | Trisomy |
What is the genotype for a carrier of hemophilia? | Xx* |
Name all 3 genotypes for females in regards to Hemophilia. | XX, Xx*, x*x* |
Heritable gene therapies are also known as _______ therapies. | Transgenic |
X-linked genes are found on the _______. | X chromosome |