Two muscles are required to move a bone. what happens inside muscles when they contract?

Based on the law of dominance, we would expect percent of the offspring from this cross to have large teeth.

Where does oogenesis take place ? seminiferous tubules fallopian tubes ovaries uterus

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