Answer:
D) homologous pairs of chromosomes form tetrads
Explanation:
During prophase I, the homologous chromosomes condense and become visible as the x shape we know, pair up to form a tetrad, and exchange genetic material by crossing over.
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This is known as double helix. Nucleotides each have three parts: phosphate, sugar molecule<span>, and one of four </span>bases<span>. The </span>bases<span> include: A, (adenine), g (guanine), t (thymine), c (cytosine). ... </span>Explain why complementary base pairing is necessary to maintain the double helix shape of the DNA molecule<span>.</span>
Yes, because the mouth is breaking down sucrase maltose they have proteins falty acids.
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The sponges draw water carrying food particles into the spongocoel using the beating of flagella in the choanocytes. ... Compare the structural differences between Porifera and Cnidaria. Poriferans do not possess true tissues, whereas cnidarians do have tissues.