In humans there are three alleles at the abo locus causing blood types a, b, ab, o. how many genotypic and phenotypic combinations are possible in the offspring of a brown-eyed, red-haired, taster man with ab blood group (bb rr tt ab) married to a blue-eyed, non-red haired, taster with type a blood (bb rr tt ao) woman?

Asap indicate the coat color and the proportion of offspring with that color for each of the following crosses of rabbits. assume all are homozygous. alleles: a=agouti, c=chinchilla, a=albino, a is dominant over c and a, c is dominant over a agouti x chinchilla a) 1/2 chinchilla, 1/2 agouti b) 3/4 chinchilla, 1/4 agouti c) all agouti

Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.