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bearhunter [10]
2 years ago
5

ASAP PLS There are lots of big words in genetics! One way to start thinking about the process of meiosis is to ask yourself some

questions.
If two parents are contributing genetic material to their offspring, why don’t the genes and chromosomes double in each generation?

If each parent has two sets of genes and chromosomes, why do their offspring receive only one set from each parent?
Biology
1 answer:
mihalych1998 [28]2 years ago
4 0

Answer:

1) the genes and chromosomes do not double after each generations because parental sex cells are haploid and only contain one set of chromosomes. During fertilization the two cells fuse to form a diploid zygote with two copies of genes and chromosomes. For example a normal human has 46 chromosomes (2 copies of 23 chromosomes) during reproduction gametes which contain 23 chromosomes (haploid) fuse to form an offspring with the correct number of chromosomes ( 23 + 23 = 46).

2) offspring only receive one set of chromosomes from each parent so to maintain the chromosome number of humans. If this did not happen you would not be the same species.

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ddd [48]

External intercostal muscles between the ribs or of the sternum during inspiration.

<h3>what are the function of External intercostal muscles ?</h3>

Intercostal muscles are the group of muscles present between the ribs that create and move the chest wall.

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These muscles are supplied by  intercostal nerves, intercostal veins, and intercostal arteries.

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Learn more about External intercostal muscles, here:

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Which of the following is not true concerning the flow of energy through an ecosystem?
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<span>Most of the energy from photosynthesis flows out as heat is the statement not correct.</span>
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schepotkina [342]

Answer:d

Explanation:

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Match the following: A) Smooth muscle B) Skin epidermis C) Tendon D) Cardiac muscle 17) Derived from mesenchyme. ___________ 18)
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1.  

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2.  

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