Question

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

Answer 1

hey jst a sec
i m giving u an anss

Answer 2

huh

Answer 3

is the ratio 3:1

Answer 4

yeah i think

Answer 5

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

Answer 6

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

Answer 7

thank you

Answer 8

your welcome i told u i need a time to draw

Answer 9

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