Multiple Choice
Mendel postulated that individuals have genetic elements that exist in pairs,which determine a single phenotype.What do we now know these pairs of elements to be?
A) two haploid sets of chromosomes
B) two alleles of a gene on homologous chromosomes
C) pairs of sister chromatids
D) pairs of centromeres
E) a sperm and an egg
Correct Answer:

Verified
Correct Answer:
Verified
Q64: Hydrangeas can have either pink or blue
Q65: Characters such as height,weight,and skin color are
Q66: When two individuals with different traits are
Q67: In humans,"unattached" earlobes are dominant over "attached"
Q68: What is the basis of codominance?<br>A)There is
Q69: Match the following.
Q70: When Mendel crossed plants and followed two
Q72: In Mendel's pea plants,yellow seeds are dominant
Q73: What is the physical basis for the
Q74: When Mendel crossed heterozygotes for flower color