Unit 6: Genetics Flashcards
what process produces gametes
meiosis
how is a gamete different from a somatic cell
gamete- single set of csomes somatic- two sets of csomes
what is made when a sperm cell and an egg cell fuse
zygote
sets of csomes in egg cells and sperm cells are ___ to each other
homologous
what are versions of genes called
alleles
what does homozygous mean
same allele from each parent
what does heterozygous mean
different allele from each parent
what are three traits most common in the classroom
can see red and green, right handed, can roll tongue
what pea flower colors did mendel work either
white and violet
what is the difference between a true bred plant and a cross bred plant
true- homozygous cross- heterozygous
why were none of mendels f1 generation white
they were crossed true bred parents
why were 25% of mendels f2 generation white
they were self pollinated plants from F generation
what are mendels three laws of inheritance
law of segregation, law of independent assortment, principle of dominance
two genes that blend together in the phenotype show
incomplete dominance
two genes that both show up in the phenotype are
codominant
