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heredity ap biology
test review
| Question | Answer |
|---|---|
| What is the term for two genes on the same chromosome? | linked genes |
| By what process is a spore made during the plant life cycle? | meiosis |
| What steriod is part of the plasma membrane? | cholesterol |
| What is the final electron acceptor of the ETC in celluar respiration? | oxygen |
| What are the alternative versions of a gene for a particular trait called? | alleles |
| What is the term proportional to the percentage of crossing over between two genes? | map units/morgans |
| what is the process of genetic exchange during meiosis? | crossing over |
| What disorder is dominant and leads to death to people in their 40s and 50s? | Huntingtons |
| What is the part of the DNA that the RNA polymerase binds to do start transcription? | promotor |
| What is the process where chromosomes fail to seperate properly during meiosis II that leads to aneuploidy? | nondisjunction |
| What stage of meiosis does crossing over take place? | prophase I |
| What is the type of inheritance where multiple traits come from one gene? | pleiotropy |
| What genetic disorder leads to mucuis draining into the lungs? | cystic fibrosis |
| What is the process that makes RNA from DNA? | transcription |
| What is the p value that rejects the null hypothesis typically? | p<.05 |
| What is the term for the type of inheritance that involves multiple genes deciding one trait in a non-additive way? | epistasis |
| How is the genotype for a person heterozygous for type B blood written | IBi |
| What disorder involves having trisomy 21? | Down syndrome |
| How many chromosomes are in female skin cell with someone who has Turner syndrome? | 45 |
| What is the term for meiosis in females and where does it occur? | oogenesis and ovaries |
| What is an X chromosome that has been inactivated by DNa methylation? | Barr Body |
| What type of inheritance involves multiple genes leading to a trait in an additive way? | polygenic inheritance |
| How many autosomes does a normal somatic cell have? | 44 |
| What is the part of the cell cycle responsible for dividing the nucleus? | mitosis |
| What disorder is sex-linked and the person fails to make clotting factor | Hemophilia |
| Which law of Mendels says that homologous chromosomes separate with only one going into each gamete? | law of segregation |
| What says that when the decision to send one of the homologous chromosomes for each kind is made, it is not affected by the previous choices. | law of independent assortment |
| What is the description for cells with two copies of each chromosome? | diploid |
| What are the DNA and histone "beads" called that stack to form chromatin? | nucleosomes |
| What are the identical copies of DNA held together by a centromere called? | sister chromatids |
| What are the two chromosomes that have the same genes, but may have different alleles? | homologous chromosomes |
| What are the proteins that DNA wraps around to condense? | histones |
| What form of chromatin is available and less tightly packaged? | euchromatin |
| What form of chromatin is not available and is tightly packaged? | heterochromatin |
| What is made by transcription? | RNA |
| What is made by translation? | protein/ polypeptide |
| What are the two parts of gene expression? | transcription and translation |
| What is the structure formed during meiosis I when the homologous chromosomes come together? | tetrad |
| What are the two sex chromosomes found in Ms. Koch's skin cells? | XX |
| What two factors explain why there are so many different heights for humans? | polygenic inheritance and nurture/environment |
| Where does replication take place? | nucleus |
| Where does transcription take place? | nucleus |
| Where does translation take place? | ribosome |
| What is cut out of a primary transcript to make it into functional mRNA? | introns |
Created by:
whamesjr
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