In an experimental investigation, the variable that the researcher changes or manipulates in order to see its effects is called the (blank) variable.

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

Vessels draining the myocardium of the heart, open primarily ,into which chamber?