BIOL 102 EXAM 1 LAB 5
Terms in this set (11)
a trait coded by one gene, gene has two possible alleles (A and a) what are possible genotypes of gene?
AA - homozygous dominant genotype
Aa - heterozygous genotype
aa - homozygous recessive genotype
If the gene in question 1 codes for curly tails in dogs, and the dominant allele codes for curly, the recessive straight, and the gene shows complete dominance, what are the phenotypes of the genotypes AA, Aa, and aa
AA - curly tail phenotype
Aa - curly tail phenotype
aa - straight tail phenotype
Hairy ears is sex linked on the Y chromosome. Can women have hairy ears?
No - only males. Dad can pass hairy ears to son, not mom.
How are hairy ears passed on to a son - by mom or dad?
Dad's sperm determine if a baby will be a girl (XX) or a boy (XY).
Which parents gametes determine the sex of the children?
Dad can contribute a X or a Y chromosome, while mom can only contribute X chromosomes.
one gene affects another (hair color in labs, albino-ism)
one gene affects more than one trait
more than one gene affects on trait
genes on the same chromosome
a picture of all the chromosomes in their duplicated and condensed form
What happens when there is too much cell division?
(cell division out of control)
tumors and/or cancer
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