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arlik [135]
3 years ago
13

Which label belongs in the area marked Y?

Biology
2 answers:
docker41 [41]3 years ago
8 0

Answer:

the answer is A

Explanation:

MissTica3 years ago
6 0
I believe the answer is C
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MEIOSIS. Questions
frutty [35]

Answer:

A. DNA replication

B. Two haploid daughter cells

C. Four haploid daughter cells

D. No, they are not the same

E. Gametes

Explanation:

A) Step 1 and Step 2, according to the image attached to this question, depicts the stages of interphase where the REPLICATION of genetic material occurs i.e formation of sister chromatids.

B) Meiosis occurs in two division steps namely meiosis I and meiosis II. Meiosis I, which involves the separation of homologous chromosomes produces TWO haploid daughter cells.

C). However, in meiosis II, sister chromatids separate to produce FOUR haploid daughter cells.

D) The cells in step 4 are not all the same due to a process called CROSSING OVER, which occurs in the Prophase of meiosis I. Crossing over exchanges chromosomal segments between two non-sister chromatids of homologous chromosomes as seen in the color of the images attached.

E) The four daughter cells produced in step 4 will mature into GAMETES, which will be used in sexual reproduction.

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2. How might a mutation that causes a single letter change in the DNA sequence affect
charle [14.2K]

Answer:

A mutation that causes a single letter change in the DNA sequence can affect your protein structure and function because the sequence of letters in a gene determines the sequence of amino acids in the protein that it encodes. A single letter change in the DNA alters the mRNA which alters the amino acid sequence of the resulting protein and sometimes that can cause serious results if it changes the way a protein works.

ex. sickle cell disease - a single letter swap in the gene that encodes the hemoglobin molecule results in deformed red blood cells

Hope that helps.

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Answer:

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3 years ago
When two solutions are at equilibrium. There is an equal amount of solvent
neonofarm [45]

Answer:

no

Explanation:

Different solutes can dissolve at different amounts into different solvents

YOu can dissolve a lot of salt into water but far less into iced tea

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