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vagabundo [1.1K]
3 years ago
6

A chromosomal alteration in which one or more pairs of homologous chromosomes fail to separate normally during meiotic cell divi

sion is known as
Biology
1 answer:
Lostsunrise [7]3 years ago
6 0

Answer:

an Aneuploidy

Explanation:

Aneuploidy is the presence of an abnormal number of chromosomes in a cell

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Urgent please and thank you
BabaBlast [244]

Answer:

1. C

2. All cells of your body have the same DNA/genetic information but cell differentiation causes some genes to turn off and some to turn off. The activated genes are coded for which produce proteins and amino acids allowing cells to differentiate. E.g. Neurons and epithelial cell have same genetic information, however the genes coding for neurons in epithelial cells are turned off or deactivated which make them epithelial cells

6 0
3 years ago
The word haunted appear as a motif in John Updike's "The Brown Chest," in what way and how does it contribute to the meaning of
Anettt [7]
The choices are:
<span>A. The word haunted describes the boy’s ancestors. The word suggests their actions still affect him and influence his personality, even when he becomes an adult.
 
B. The word haunted describes items of antiquity. As a boy and as an adult, the narrator peers anxiously at old, unused items that make him feel uneasy.

C. The word haunted suggests that the boy is still haunted by memories of his childhood and his parents. The chest is a reminder of personal experiences he can’t ignore.

D. The word haunted describes the house the boy lived in. Even after he and his family moved to a new home, the memories of his fear stay with him.
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The answer to your question is B. I hope this is the answer that you are looking for and it comes to your help.
7 0
3 years ago
Which of the following explains why arteries have thicker walls than veins?
Liula [17]

Answer:

c. because arteries carry high pressure blood from the heart

Explanation:

Arteries carry the oxygenated blood that is pumped directly from the left ventricle of the heart. Since they receive blood from the heart, the blood pressure is higher in arteries than veins. To withstand the higher pressure of blood pumped by heart, arteries have thicker walls than the walls of veins.

5 0
3 years ago
Which of the following describes the structure formed when a probe
miv72 [106K]
It’s D a single stranded structure consisting of unlabeled DNA from the gene
7 0
3 years ago
Name the 3 parts of a nucleotide
Romashka-Z-Leto [24]

Answer:

Nitrogenous base, a Pentose sugar, and a Phosphate group.

6 0
3 years ago
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