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NNADVOKAT [17]
3 years ago
5

Which statement is true about lethal genes?

Biology
1 answer:
Korvikt [17]3 years ago
7 0
I'm not completely sure, but I'm fairly certain that the answer is B.
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What explanation does this image tell about reproduction and variation?
Zigmanuir [339]

Answer:

See the answer below

Explanation:

First, the image tells that chromosomes are made up of genes or that genes are located on chromosomes. It further showed that genes are translated as proteins in the cell and this protein respectively control the expression of traits.

Secondly, it also showed that during sexual reproduction, the offspring produced usually have the same proteins as the parent and therefore have exactly the same traits as the parent. Only one parent is needed for asexual reproduction.

<u>However, two parents are needed for sexual reproduction where each parent donate chromosomes containing gene to the genome of their offpsring. The mixture of genes ensures that the offspring look different from the parent.</u>

<em>The image further showed that asexual reproduction does not lead to any variation while sexual reproduction leads to variation of the offpsring from their parents.</em>

3 0
3 years ago
Pls help me with this and pls stop missing around with this else l report
Gelneren [198K]

Answer:

a. an organism that has two different alleles for a trait

b. possible genotypes for the offspring

Credit goes completely to: Unknown Quizlet user

I hope this helps!

5 0
3 years ago
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What's the difference between skin infections and rashes?
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Answer:

rashes is caused by heat while skin infection is caused by bacteria and infection

3 0
3 years ago
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Suppose a population is carrying a condition controlled by two alleles: R (dominant) and r (recessive). Only homozygous individu
White raven [17]

<span><u>The answer is A. 72.25 percent.</u>

The Hardy-Weinberg principle can be used:</span>

<em>p² + 2pq + q² = 1</em> and <em>p + q = 1</em>

where <em>p</em> and <em>q</em> are the frequencies of the alleles, and <em>p²</em>, <em>q²</em> and <em>2pq </em>are the frequencies of the genotypes.

<span>The <em>r</em> allele (<em>q</em>) is found in 15% of the population:
q = 15% = 15/100
Thus, q = </span><span>0.15

To calculate the <em>R</em> allele frequency (<em>p</em>), the formula p + q = 1 is used:
If p + q = 1, then p = 1 - q
p = 1 - 0.15
Thus, </span><span>p = 0.85

Knowing the frequency of the <em>R</em> allele (<em>p</em>), it is easy to determine the frequency of the RR genotype (p²):
p² = 0.85² = 0.7225

Expressed in percentage, p² = 72.25%.</span>

4 0
3 years ago
Which satirical technique is best illustrated in the following statement?I'm a junior in high school, but I've been reading Moby
Anni [7]
Hyperbole. It’s an extreme exaggeration
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3 years ago
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