Heredity | Heredity part 2 | Heredity part 3 | Heredity part 4 | Random |
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wound up DNA
define chromosome
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xy xx
Sex chromosomes male and female
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nucleus
DNA is only located where?
|
same letters
define homozygous
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deoxyribose nucleic acid
name of dna
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recessive
Which allele is only expressed when both are present
|
46
How many chromosomes do we have?
|
nucleus
where does dna replication take place?
|
different letters
define heterozygous
|
double helix/twisted ladder
dna shape
|
true
T/F: you only need 1 dominant trait
|
colored in
on a pedigree chart. how are recessive traits identified?
|
genes/letters
define genotype
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homozygous
which Ho. or He. is purebred
|
selective breeding
The breeding of animals to obtain the best result
|
mendel
who discovered genetics?
|
ped show male and female
why are pedigree and punnet squares different?
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physical trait
define phenotype
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75% dom. 25% rec
cross a Yy and Yy give the percentages
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genetic engineering
combining dna of 2 different organism to create a new organism
|
dna-> genes-> chromosomes-> nucleus
put these into the correct order: chromosome, nucleus, dna, genes
|
watson and crick
who discovered the structure of dna?
|
inherited=parents->offspring
acquired=skill/pink hair
compare inherited/acquired traits
|
100 % dom
cross a RR and Rr
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True
T/F: Heterozygous individual are always dominate.
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