A duplicated chromosome consists of two ________
A) centromeres
B) centrosomes
C) genomes
D) sister chromatids
D
You might also like to view...
What were the genotypes / phenotypes in the Parental generation?
An experimenter crosses two fruit flies with different phenotypes. The results in the F2 generation are: 478 crooked legs, trembling behavior 372 stumpy legs, circling behavior 175 crooked legs, circling behavior 98 stumpy legs, trembling behavior A. Both parents homozygous / Female phenotype: crooked legs, trembling, Male phenotype: stumpy legs, circling B. Both parents homozygous / Male phenotype: crooked legs trembling, Female phenotype: stumpy legs, circling C. Both parents heterozygous / Female phenotype: crooked legs, trembling, Male phenotype: crooked legs, trembling D. Both parents homozygous / Male or female parental phenotype: crooked legs, trembling, Second parental phenotype: stumpy legs, circling E. Both parents heterozygous / Both parental phenotypes: crooked legs, trembling
The most successful phylum in regards to diversity and number of species is
A. Nematoda. B. Mollusca. C. Platyhelminthes. D. Echinodermata. E. Arthropoda.
Allopatric speciation is defined as_________.
A. Speciation that occurs even though populations live within the same geographical area. B. Speciation that begins with geographic isolation. C. When parents of different species mate and produce offspring with two different sets of chromosomes.
Monomeric G proteins, such as Ras and several elongation factors, are usually in the active state when a molecule of _______ is bound to them.
a. GDP b. GTP c. ADP d. ATP