Continuous characters are influenced by more than one gene.

If a mother suffers from an X-linked recessive condition, then all of her sons will also have the condition

A mother gave birth to 4 girls during different years (i.e. none of the daughters are twins, triplets, or quadruplets). What is the probability that she would have 4 daughters in a row? What is the probability that her next child will be a girl?

Independent assortment is a way to increase genetic variation.

What is the difference between anchorage-dependent inhibition and density-dependent inhibition of cellular division?

To produce a viable (able to survive) zygote, human gametes must be diploid.

What is the difference between anchorage-dependent inhibition and density-dependent inhibition of cellular division?

To produce a viable (able to survive) zygote, human gametes must be diploid.

Consider the karyotype below. Is this what we expect a typical human karyotype to look like? Why or why not?

Only two alleles for a gene can exist at one time.