Frequencies of inversions and/or allele frequencies often vary regularly when examined over a geographic area changing in either latitude or climate. This type of regular change is called a ________
A) zonality
B) cline
C) gradient
D) biome
B
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The role of a tumor suppressor protein in a cell is to ____
a. promote cell division of healthy cells b. inhibit cell growth and division c. promote cell division of abnormal cells d. trigger DNA replication in preparation for cell division e. serve as a cell receptor for growth factors
________ of the world's most valuable fish are considered to be overfished or at their limit
a. 10% b. 80% c. 20% d. 60%
What is the distribution of parental chromosomes in each of the four haploid cells produced by meiosis II?
A) 100% maternal or paternal chromosomes B) a 75%:25% mix of maternal and paternal chromosomes C) a 50%:50% mix of maternal and paternal chromosomes D) a random mix of maternal and paternal chromosomes E) The distribution depends on whether the organism is haploid or diploid.
Shared derived traits are found in all members of the ingroup of a clade.
a. true b. false