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Andrei [34K]
2 years ago
8

Which would least likely result from a chromosomal change?

Biology
2 answers:
aivan3 [116]2 years ago
8 0
<span>Enhanced ability of the organism to reproduce.</span>
Iteru [2.4K]2 years ago
7 0
I think it is change to the phenotype of the organism 
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Which of the following is a developmental issue that occurs when an infant's vertebral column does not close all the way?
MariettaO [177]

Answer:

d. Spina bifida

Explanation: is correct

4 0
2 years ago
Which of the following pairs is not correctly matched?
MAVERICK [17]

Answer:

A band - light central region of sarcomere.

Explanation:

Sarcomere is the basic structural unit of the skeletal muscles. These sarcomere shows striations ( light and dark bands) when veiw under the microscope.

A band or anisotropic band is the dark region of sarcomere. A band consists of both thick and thin filaments of actin and myosin proteins. The A band has the ability to refract light and appears dark.

Thus, the correct answer is option (D).

6 0
2 years ago
What is the nickname for Gregory Mendel?
kumpel [21]
Father of modern genetics

6 0
3 years ago
Read 2 more answers
After hundreds or even thousands of generations both alleles for sickle cell anemia are still common in those of african ancestr
zhannawk [14.2K]
After hundreds or even thousands of generations both alleles for sickle cell anemia are still common in those of African ancestry. This is supported by two mechanisms: heterozygote advantage and gene flow.

Heterozygote advantage
When an allele is said to be heterozygous, it is carrying one copy of a gene. For example if one carries a copy of sickle cell allele, it will stay in the population even after many generations — natural selection will not be able to remove it and it will be passed on through generations. So, having one copy of that allele is advantageous but not deleterious.

Gene flow
With humans migrating throughout the different parts of the world, sickle cell allele is passed from one person to another or in different populations. It is actually advantageous to have one copy of this allele especially if there’s malaria in the area, which the allele is resistant.
8 0
3 years ago
Given a template strand of 3' ATGCTTGGACA 5' and partially made complementary strand containing only 5' TAC 3', what would be th
sineoko [7]
Answer: <span>5'-TACGAACC-3'

</span><span>The enzyme DNA polymerase will  form hydrogen bonds with the nucleotides of the template DNA and add new nucleotides, adenine will bond with thymine and guanine will bond with cytosine, forming the complementary strand.
</span>
<span>3' ATGCTTGGACA 5 is the DNA template
</span><span>5' TACGAACC .......3' is the complementary strand
you just need to join the right nucleotides. If there is no T, the DNA polymerase has nothing appropriate to connect to the A, so it stops there
</span>
3 0
3 years ago
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