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Neporo4naja [7]
3 years ago
10

What is the twisted ladder shape of the DNA called?

Biology
2 answers:
emmasim [6.3K]3 years ago
8 0

Answer:

i think it's the double helix

Explanation:

vampirchik [111]3 years ago
4 0

Answer: Double helix.

Explanation: It's called a double helix because it looks like a double helix.

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The future is unclear but a wild guess you would look at the height of his or her parents and then there parents and that might tell you the child's future height hope that this helps if not message me  
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3 years ago
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7. White wool (WW, Ww) and brown eyes (BB, Bb) are dominant traits in sheep, while black wool (ww) and blue eyes (bb) are recess
artcher [175]

Answer:

1/2 wWBb , White wool and brown eyes.

1/2 wWbb , White wool and blue eyes.

Explanation:

White wool (W) is dominant over black wool (w).

Brown eyes (B) is dominant over blue eyes (b).

A sheep with black wool (ww) and brown eyes (Bb) is crossed with a sheep with white wool (WW) and blue eyes (bb).

<h3>wwBb x WWbb</h3>

If there is independent assortment between genes, the genotypes of the first parent's gametes will be wB and wb. The gametes of the second parent can only be Wb.

<u>The resulting offspring will be:</u>

  • 1/2 wWBb , White wool and brown eyes.
  • 1/2 wWbb , White wool and blue eyes.

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3 years ago
Please help me. the first person to answer correctly will get a brainlist.
Rufina [12.5K]

Answer: NSF International

Explanation:

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Why would a Nonsense mutation be less damaging if it occurred at the end of the gene rather than
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As you learned, thalidomide is a teratogen meaning that causes birth defects when taken by pregnancy women. Another teratogenic
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Presence of a teratogen in the body of mother during pregnancy is responsible for mal growth of child or incomplete growth which may lead to abortion, still birth or even a defective child.

<h3><u>Explanation:</u></h3>

A teratogen is a substance that is known to cause <em>defects</em> in growth of child during the intrauterine growth period. Thalidomide was used as a morning sickness drug which relieved the vomiting nature of the would be mother. But the presence of thalidomide was responsible for less growth of limbs of the child. Alcohol in intrauterine life may cause Fetal Alcoholic Syndrome which damages the fetus' sense organs and neural cord.

The presence of a teratogen during the 1st trimester is more serious than in last trimester because the main formation of different organs and systems take place in the 1st trimester and maturity takes place in third trimester.

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