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3. Male black dog was cross breed to a female white fur dog. The pair produces
4 black fur puppies and 2 white. What can you say about it?
a. White fur of female dog is the dominant trait.
Black fur of male dog is the dominant trait.
b. Black fur of male dog is a recessive trait.
c. White and black fur are equally dominant.
a.
4. Which describes an allele expresses in TT, Rr, rr, XY, XX?
Genotype b. Hybridization c. Phenotype
a.
d. Mutation
Х
R
r
r
Rr
Tr
5. In a cross between heterozygous round (Rr) and wrinkled
(rr). What is the phenotypic ratio of the offspring?
a. 3:1
c. 4:0
b. 1:1
d. 2:1
T
Rr
rr


3 Male Black Dog Was Cross Breed To A Female White Fur Dog The Pair Produces 4 Black Fur Puppies And 2 White What Can You Say About It A White Fur Of Female Dog class=