test
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| what is an allele? | ways to express a gene
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| what is a genotype? | the genetic make up of a trait
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| what is a phenotype? | the outward physical appearance of a trait
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| Sex cells, or gametes are formed during? | meiosis
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| somatic cells or body cells are formed during? | mitosis
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| Mitosis and meiosis are the same because? | they both contain genetic information, they both copy chromosomes, they both split into new cells
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| Mitosis and meiosis are different because? | mitosis is an exact copy maintaining chromosome numbers
Meiosis is a hapliod or half of the genetic information from parent cell
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| What is genetics? Heredity? | Study of traits passed from generation to generation.
Heredity- passing of traits from parent to offspring
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| Who is the father of genetics? | Mendel
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| What is crossing over and what does it accomplish? | when homologous chromosomes exchange each others genetic code. It accomplishes variety in the system
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| Males have which sex chromosomes? Females? | XY, XX
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| AA is an example of ? | homozygous dominanat
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| Aa is an example of ? | heterozygous
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| aa is an example of ? | homozygous recessive
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| Why are sex linked traits more common on the X chromosome? | every one has one
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| Law of independent assortment means? | genes separate during gamete formation without influencing each others inheritance
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| what is a karyotype? What can it show? | A picture of chromosomes in order from large to small. It can show genetic disorders.
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| A pedigree is? | a diagram showing a pattern of inheritance.
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| A cow that is red with white splotches is an example of ? | codominace
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| A red and white flower make pink flower offspring. This is an example of? | incomplete dominance
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| What are the stages of mitosis and what happens in each stage? | I- interphase- DNA copied
P-prophase- dna condenses and spindle is formed grabbing chromosomes
M- homologous pairs move the the middle or equator
A- pairs are separated to ends of cells
T- chromosomes relax and nucleus reforms
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| What is cytokinesis? | animal cells split by pinching off to form 2 new cells
plant cells reform cell plate and wall
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| What are the stages of meiosis and what happens in each stage? | I- interphase- DNA copied
P 1-prophase dna condenses and CROSSING OVER occurs
M 1-metaphase pairs line up at equator
A 1- anaphase pairs separate
T1 - chromosomes get ready to separate again
REDO WITH OUT INTERPHASE PMAT (2)
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| What are the common genetic disorders? Know what they do as well. | Cystic fibrosis- mucous clogs
Down's syndroms- extra #21 chromosome
Tay- sachs- breakdown nervous system
Color blindness- sex linked
Huntingtons- break down fat in brain
Albinism- lack of pigment
sickle cell- shape of blood cell changes.
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| PUNNETT square practice | in class!!!!
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Created by:
aethomas4415
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