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Dennis_Churaev [7]
1 year ago
10

How do lethal genes cause death in unborn babies and later after birth?​

Biology
1 answer:
Mamont248 [21]1 year ago
6 0

Answer:

Recessive lethal genes can code for either dominant or recessive traits, but they do not actually cause death unless an organism carries two copies of the lethal allele. Examples of human diseases caused by recessive lethal alleles include cystic fibrosis, sickle-cell anaemia, and achondroplasia.

Hope this helps!

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Highly potent toxins that are excreted by microorganisms, such as bacteria, and can cause damage to the host by destroying cells
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The answer is A. exotoxins, i got it right

7 0
3 years ago
During human gestation, rudiments of all organs develop A. in the first trimester. B. in the second trimester. C. in the third t
Y_Kistochka [10]

During human gestation, rudiments of all organs develop in the first trimester.

<h3>What is the first trimester?</h3>
  • Most people (including your doctors and midwives) divide a full-term pregnancy, which lasts about 9 months, into three 'trimesters'.
  • The first trimester of pregnancy is measured from the first day of your last period to week 12, even though you are pregnant from the moment of conception, when a male sperm fertilizes your ovum (egg), when you become pregnant.
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Learn more about trimester here:

brainly.com/question/24174987

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5 0
1 year ago
Just considering one locus (a specific location on a DNA strand), evidence at a crime scene shows a genotype of 5, 9 STR repeats
marta [7]

Answer:

0.1 x 0.3 = 0.03 = 3%

Explanation:

Assuming a process of random mating in the population, it is possible to infer that the genotype frequencies will be the product of the allele frequencies. The random mating is one of the postulates of the Hardy-Weinberg Law, which is widely used in population genetics to estimate genotypic frequencies when populations are expected to be in an equilibrium state (it is also expected by default in human populations).  In this case, the genotype frequencies will be certainly low (3%), thereby this locus may be useful to investigate a police case.

4 0
3 years ago
NO NEED TO ANSWER ALL! WOULD BE HELPFUL THOUGH :)
frutty [35]

Answer: question 6

Explanation: Biogeography The fossil record, Embryology, similarity and vestigial structures, genetics and Observable evolution on small timescales.☺

8 0
3 years ago
Help Asap. i have to write an explanation with it
Archy [21]

Answer:

It’s b

Explanation:

6 0
2 years ago
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