A mature, unfertilized ovule in an angiosperm is the result of _____
A) a single meiotic division
B) a single mitotic division
C) both meiotic and mitotic divisions
D) mitosis from the megaspore mother cell
E) differentiation from the suspensor tissues
Answer: C
You might also like to view...
If a person had defective centromeres, which
of the following would result?
a. the DNA would not coil around histones b. DNA could not duplicate c. sister chromatids could not attach to each other d. the chromosome number would be reduced e. none of these would result
What is the term given to the average frequency of heterozygotes at all loci of an individual? This value can also be expressed as the fraction of genes that are heterozygous in the genotype of an average individual
What will be an ideal response?
The accompanying figures are representative of which of the following?
a. Anthophyta
b. Gnetophyta
c. Ginkophyta
d. Cycadophyta
e. Coniferophyta
The innervation ratio of motor units is not standard and depends on the demands of the muscle. Which of the following muscles would have the lowest innervation ratio? How would this affect its function?
a. Soleus: coarse movement b. Orbicularis oculi: fine movement c. Gluteus maximus: fine movement d. Vastus lateralis: coarse movement