Punnet Squares: in cattle, black coat color(B) are dominant to blue. cross two heterozygous black cattle. give pheno and geno ratios from the cross

Question

anonymous · Answer

hey jst a sec
       i m giving u an anss

anonymous · Answer

huh

anonymous · Answer

is the ratio 3:1

anonymous · Answer

yeah i think

anonymous · Answer

start: Bb x Bb. probabilities: BB (25%) - black phenotype, Bb (50%) - black phenotype, bb(25%) - blue phenotype.

summed up: 75% black, of which 25% are homozygous and 50% are heterozygous, 25% homozygous blue

anonymous · Answer

here 3 black and 1 blue so pheno ratio is 3:1
 geno ratio is 3 Bb and 1bb i.e 3:1

anonymous · Answer

thank you

anonymous · Answer

your welcome i told u i need a time to draw

anonymous · Answer

ahaha well done i might need some more help cuz this is a worksheet-__-