The degrees of freedom for the independent groups t test are equal to:

The standard error of the difference indicates how much _____ will occur, on the average.

The homogeneity of variance assumption states

If a mean difference is 5, the estimated standard error of a mean difference is 4 and the nondirectional critical value of t for an alpha level of .05 is 2, what is the 95% confidence interval for the mean difference

A woman who can roll her tongue (presumably dominant) is married to a man who cannot roll his tongue. Two of their four children can roll their tongues and two cannot. If A= roll tongue and a= cannot roll tongue, then what is the genotype of the parents?

What would be the genotypic ratio of the following monohybrid cross: Aa x Aa?

The lagging strand of DNA in replication has more steps to complete than in the leading strand.

If the genotype of an organism is heterozygous (Aa) for a trait, what kinds of gametes could this organism produce?

Normally a child with a dominant trait does NOT have a parent with the trait.

A recessive allele is expressed in the absence of its dominant allele.