At the time of fertilization in humans, two gametes, each containing a unique combination of alleles, fuse to form a diploid offspring. if you ignore crossing over, a single person can produce gametes with roughly how many different chromosome combinations

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Which of the following is a good strategy when it comes to desserts

Why are current extinctions of concern to enviromentalists?