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zmey [24]
2 years ago
6

A young man wants to determine if he is a descendant of Henry of Navarre and Eleanor of Aquitainetwo of his favorite historical

characters. He sends a cheek swab to a DTC company and is offered a choice (due to funding): The company can assess either the sequence of the man's Y chromosome or his mitochondrial DNA. Which should he choose?
Biology
1 answer:
Gnesinka [82]2 years ago
8 0

Answer:

He should get his mitochondrial haplotype sequenced, given the genetic variation in mitochondrial sequences compared to Y chromosomes.

Explanation:

A haplotype is a group of genes within an organism that was inherited together from a single parent. The word "haplotype" is derived from the word "haploid," which describes cells with only one set of chromosomes, and from the word "genotype," which refers to the genetic makeup of an organism.

Genetic variation is a term used to describe the variation in the DNA sequence in each of our genomes. Genetic variation is what makes us all unique, whether in terms of hair color, skin color or even the shape of our faces.

The typical metazoan mitochondrial DNA (mtDNA) is a double-stranded circular DNA molecule, which encodes a conserved set of 37 genes, including 13 protein-coding genes (PCGs) plus the two ribosomal RNA (rRNA) genes and 22 transfer RNA (tRNA) genes.

This, together with other special characteristics such as faster evolutionary rates than nuclear genes, presumed maternal inheritance, and absence of recombination makes mitochondrial DNAs one of the most popular targets for population genetics studies and accurate identification.

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Answer:

Metaphase.

Explanation:

In the metaphase, chromosomes are at their second-most stage of condensing. Chromosomes align at the center and prepare to split into two different cells.

3 0
2 years ago
I just bombed this test and i have 1 retake left. please help!!
Fittoniya [83]

Answer:

Hey!

Your answer is EXERGONIC reactions!

Explanation:

The Ex- in the word symbolises that energy is RELEASED (exit)...most commonly thermal energy is released during the reactions...

They are also reactions that happen suddenly and without any assistance from the likes of enzymes or assisted contact or any other energy source!

<h2><u>I HOPE THIS HELPED YOU!</u></h2>
3 0
2 years ago
1. How does the marine biome retain its salinity?
lesya692 [45]

Answer:

when marine water evaporates

5 0
2 years ago
In the biology lab you have just finished a dissection, you should do all of the following EXCEPT
arlik [135]
Wrap your specimen in the original wrapping and give it your instruct to dispose of
7 0
2 years ago
Read 2 more answers
The allele for dimples (D) is dominant to the allele for no dimples (d). A man heterozygous for
liberstina [14]

Answer:

The answer is provided below

Explanation:

The man’s genotype is DD while the females genotype is Dd.

The mans phenotype is 100% on the other hand the woman’s phenotype is only 50%.

The cross comes out with results looking like this (going from left to right, then left to right again):

DD

Dd

dD

dd

I hope this is what you were looking for and I hope it helps! :)

Please give me brainliest!! :)

8 0
3 years ago
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