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Karyotype. http://learn.genetics.utah.edu/content/chromosomes/karyotype /. What is the name of the chromosomes that are not sex chromosomes ? And how many do we have?. Autosomal We have 22 pair.
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http://learn.genetics.utah.edu/content/chromosomes/karyotype/http://learn.genetics.utah.edu/content/chromosomes/karyotype/
What is the name of the chromosomes that are not sexchromosomes? And how many do we have? • Autosomal • We have 22 pair
Humans have 3 alleles for blood type, A, B and O, which of these 2 alleles are codominant and which one is recessive?
A and B are codominant • O is recessive
Pedigree • A chart that is used to analyze the pattern of inheritance Non shaded indicates the trait is not express = male A shaded shape indicates a certain trait is expressed = female
Chromosomal disorders • Nondisjunction- when homologous chromosomes fail to separate during meiosis.
Nondisjuntion disorders • Trisomy – three bodies (three chromosomes • instead of 2. • -The most common is Down Syndrome Turner’s syndrome (X)- Female sex organs do not develop properly Klinefelter’s syndrome- (XXY) in males, prevents individuals from reproducing