(See figure below, where meiosis I begins with a diploid (2n = 4) cell and ends with two haploid (n = 2) cells.) In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).
The onset of menopause will indicate about how many of
immature remains in the ovaries, during middle age, estrogen levels will start
to drop in which egg cells will start to stop to be produced in a female’s body,
the remaining immature egg cells will die.
Answer:
B. Disruptive Selection
Explanation:
the population is divided into two distinct groups, or is disrupted so the gentics start to vary between the separted populations over time.
Answer:
Difference Between Loose and Dense Connective Tissue
• Large proportion of ground substance and cells can be found in loose connective tissue,...
• Few loosely arraigned fibers can be found in loose connective tissue,...
• Loose connective tissue has more vessels than that of dense connective tissue.
• The loose connective tissue can be found beneath
Explanation:
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<span>an animal whose mouth develops from a second opening in the early embryo, opposite to the initial opening blastopore of the rudimentary gut. Chordates and echinoderms are deuterostomes.</span>