Which process is absolutely necessary for sexual reproduction to occur in a life cycle, but is not necessarily required for organisms that only reproduce asexually?
a. prokaryotic fission
b. mitosis
c. meiosis
d. cytokinesis
e. karyokinesis
c
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The yeast Saccharomyces cerevisiae produces haploid cells of two mating types, a and ?, which are morphologically similar. Cells of opposite mating types can mate. Saccharomyces cerevisiae is a(n) ___________ species
A. isogamous B. heterogamous C. prokaryotic D. asexual
The numerical value of the free energy change indicates how fast a reaction will reach equilibrium.
Answer the following statement true (T) or false (F)
What best describes all of the alleles for all the loci present in a population?
a. gene pool b. allele collection c. population variation d. evolutionary potential e. population compilation
Please read the following scenario to answer the following questions. Widow's peak, a pointed hairline on the forehead, is a genetic trait caused by a dominant allele. It can be traced back through a family's history using pedigree analysis.The pedigree shown here is of three generations of a family. Notice that some individuals (shown in gray) have a widow's peak (W = dominant allele and w = recessive allele). The genotype of Mary is Ww.
a. true
b. false