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Biology Chapter 11-Genetics
Terms in this set (25)
Mendel used pea plants to study what?
the inheritance of traits
when you flip a coin what is the probability of flipping a tails?
the number of chromosomes in a gamete is represented by what?
mendel concluded that traits are ______ from parents to offspring.
passed down via factors/genes
the principle of dominance states ________.
some alleles are dominant and others recessive
organisms that have two alleles for a particular trait
A tall parent plant and a short parent plant mate. if tall F1 plants self-pollinate, what will the F2 plants look like?
75% will be tall and 25% will be short
a punnet square shows all but _____.
the actual results of a genetic cross
situations in which one allele is not completely dominant over another allele for that gene is an example of what?
gene maps are based on____.
recombination rates or the fequencies of cross-overs
mendel's principles apply to _____
genes in the same linkage group are usually inherited seperately. true or false
false- if genes are in the same linkage group they are inherited together
meiosis results in____
four genetically different cells
chromosomes form tetrads durning whuch phase of meiosis?
in the parent gene a homozygous Tall plant is mate with a short plant. What is the probability that an F2 will be T?
Variation in human skin color is an example of ____
The farther apart 2 genes are located on the chromosome____
the less likely they are to be inherited
a cross of a black an a white chicken produces a speckled chicken. this is an example of what?
gametes are produced by the process of ___
If an organism's diploid number is 12 then its haploid number is ___
the principles of probability can be used to _____
predict the outcomes of genetic crosses
the chemical factors that determine traits
linked genes are____
on the same chromosome
what principle states that during gamete fromation genes for different traits can segregate independantly
______ assort independantly, not individual genes
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