A farmer crossed Rr x Rr. What is the phenotypic ratio for the offspring? O 3:1
O 1:2:1
0 2:2
1:1:1:2
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What have we learned from fossil evidence about evolution? a) it is an abrupt change. b)the process is observable. c) it takes place during one lifetime only. d)the most complex traits are always selected.

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

How secretion and excretion both are different? explain in simple language.