Term
Mitosis is the process of division in A_____ (body cells) cells. It results in B_____(identical or different) diploid (2N) cells. |
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Definition
[image]
A. Somatic
B. identical |
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Term
If there are 46 chromosomes in a human red blood cell, how many chromosomes will be present in the new cells after mitosis takes place? |
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Definition
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Term
Meiosis is the process of division to create A_____ (sex cells). It results in 4 genetically B______ (identical or different) haploid (1N) cells. |
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Definition
[image]
A) gametes
B) different |
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Term
How many chromosomes will be present in the new human sperm cells after meiosis takes place? |
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Definition
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Term
Name 3 important differences between mitosis and meiosis. |
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Definition
1. Mitosis- divided from somatic cell, Meiosis- divided from sex cell
2. Mitosis - makes 2 daughter cells, Meiosis makes 4 daughter cells
3. All Mitosis- all daughter cells have 46 chromosomes, Meiosis- all daughter cells have 23 chromosomes |
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Term
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Definition
It is the process in which homologous chromosomes exchange portions of their chromatids during meiosis.
[image] |
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Term
When does crossing over occur in meiosis? |
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Definition
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Term
What is the significance of this process (crossing over)? |
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Definition
Crossing over therefore produces new combinations of alleles in the cell. |
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Term
What is independent assortment? |
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Definition
[image]
one of Mendel's principles that states that genes for different traits can segregate independently during the formation of gametes. |
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Term
When does independent assortment occur in meiosis? |
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Definition
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Term
What is the significance of independent assortment? |
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Definition
It gives different traits an equal opportunity of occurring together.It produces genetic variation |
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Term
What is the difference between genotype and phenotype? |
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Definition
Genotype is the genetic code and phenotype is what physical trait you see from the code. |
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Term
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Definition
It is the physical traits expressed by the organism. |
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Term
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Definition
Genetic makeup of an organism; it's the alleles an organism inherits from each parent. |
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Term
What is codominance? draw punnett square example |
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Definition
All forms of a gene are phenotypically expressed. use punnett square example
[image] |
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Term
What is incomplete dominance? give example |
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Definition
Blending of traits expressed as a third phenotype- one trait is not completely dominant over the other. neither genotype is dominant. Neither red or white is dominant.
[image] |
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Term
A_____ is the abnormal growth of cells and can result in a large mass called a B______ |
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Definition
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Term
Give the levels of organization (have to know them in order)
1
2
3
4
5
6
7
8 |
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Definition
1. Atom
2. Molecules
3. Organelles
4. Cells
5. Tissue
6. Organ
7. Organ system
8. Organism |
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Term
Dihybrid cross
TtBb x TtBb
(draw a punnett square and give Genotypic and Phenotypic ratio) |
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Definition
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Term
complete colorblind punnett square
XBXb with XBY |
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Definition
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