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CalifStdsGenetics3

California State Genetics Standards Section 3 - 9th to 12th grade

QuestionAnswer
What does Mendel's law of segregation state? The two copies of a gene are segregated into different gametes
What does Mendel's law of independent assortment state? The two copies of one gene are sorted into gametes independently of other genes.
What is a phenotype? A characteristic you can observe.
What is a genotype? The copies of genes an organism has.
Where are the genes for X-linked traits found? On the X chromosome
Where are the genes for Y-linked traits found? On the Y chromosome
Can women have a Y-linked trait? Yes
Can men have an X-linked trait? Yes
If a man has an X-linked allele, does it matter whether it is dominant or recessive? No, because he only has one copy of that gene.
If a man has a Y-linked allele, does it matter whether it is dominant or recessive? No, because he only has one copy of that gene
If a woman has X-linked alleles, does it matter if they are dominant or recessive? Yes, because she has two of them.
Can a man pass a Y-linked trait on to his sons? Yes
Can a man pass a Y-linked trait on to his daughters? No, they don't get his Y chromosome
Can a man pass an X-linked trait on to his daughter? Yes, he gives her his X chromosome
Can a woman pass an X-linked trait on to her son? Yes, she gives him an X chromosome.
Can a woman pass an X-linked trait on to her daugher? Yes, she gives her an X chromosome
Can a woman pass a Y-linked trait on to her children? No, she has no Y chromosome to give.
What does segregation mean? separation.
What explains Mendel's law of segregation chromosome segregation during meiosis
What explains Mendel's lawe of independant assortment. random chromosome segregation and crossing over.
Created by: mrshapard
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