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slamgirl [31]
3 years ago
11

Why is the color of blood carried by veins dark red?

Biology
1 answer:
ale4655 [162]3 years ago
8 0
The blood has low oxygen content
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Sam came home from school with a cold caused by a virus and his sister, Ana, caught it from him. Sam got well and went back to s
IRINA_888 [86]
<span>~Hello there!

Your question: Sam came home from school with a cold caused by a virus and his sister, Ana, caught it from him. Sam got well and went back to school. A few days before Ana got well, Sam came down with a cold again. Their mother said that Ana had given the cold back to Sam. How likely is it that their mother is correct, and what does it mean for Ana's chances of
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Your answer: Acquired immunity, he must have picked picked up a different disease virus so Ana can get sick again.

The answer is option A.

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3 years ago
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What helps to determine the inherited traits of an offspring
wariber [46]

Answer:

alleles

Explanation:

The traits an organism displays are ultimately determined by the genes it inherited from its parents, in other words by its genotype. Animals have two copies of all their chromosomes, one from each parent.

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How many dna molecules are present in a synapsed pair of homologous chromosomes?
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Synapsis is two homologous chromosomes pairing. During the event of <em>meiosis </em>homologous chromosomes are being pared but then also separated because of reducing the genetic content of the resulting haploid cells.

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3 years ago
What are DNA machines, according to Kraves?
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they are machines or devices build to find la DNA trace and copy it multiple times.

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DNA machines are machines built to find a DNA line and copy it multiple times, so scientists can read, observe, and find information about the DNA strand. For example, DNA machines can determine if someone is related, if someone has cancer, and it can distinguish a person’s ancestry. Mainly this is how forensic science uses to determine when there's a suspect in a crime.

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