Question

read the sentences below, filling in the blanks with items from this list. each item will be used once.

guanine
down syndrome
chromosome
disparaged
behavioral
twenty - three
chromosomal aberrations
down
autosomal

the human genome is composed of ______ pairs of chromosomes.

in humans, the presence of an extra copy of chromosome 21 causes ______.

genetic disorders like tay - sachs disease follow an ______ recessive inheritance pattern.

klinefelter syndrome results from an extra ______ chromosome.

______ are alterations in the structure or number of chromosomes within an organisms cells.

a well - known example of aneuploidy is ______ syndrome.

deletions involve the loss of a segment of a ______.

dna, the building block of life, consists of nucleotides: adenine (a), thymine (t), cytosine (c), and ______ (g).

genetic variations influence not only physical traits but also susceptibility to diseases, responses to medications, and even ______ tendencies.

understanding and valuing genetic diversity hold immense significance in society as it promotes inclusivity, fosters innovation, and helps create a world where differences are cherished, not ______.

Explanation:

• For the first sentence, the human genome has 23 pairs of chromosomes, so "twenty - three" is the correct fill.
• Down syndrome is caused by an extra copy of chromosome 21, so "down syndrome" fits the second blank.
• Tay - Sachs disease is an autosomal recessive disorder, so "autosomal" is for the third blank.
• Klinefelter syndrome has an extra X chromosome (a type of sex chromosome), but among the given options, since it's about chromosomes in general and the options don't have X - chromosome, but considering the context of chromosomal issues, and the options available, we note the pattern.
• Chromosomal aberrations are alterations in chromosome structure or number, so "chromosomal aberrations" for the fifth blank.
• Down syndrome is a well - known aneuploidy example, so "down" (as in down syndrome) for the sixth blank.
• Deletions involve loss of a chromosome segment, so "chromosome" for the seventh blank.
• DNA nucleotides include guanine (G), so "guanine" for the eighth blank.
• Genetic variations can affect behavioral tendencies, so "behavioral" for the ninth blank.
• In the context of cherishing differences, "disparaged" (opposite of cherished) for the last blank.

Answer:

1. twenty - three
2. down syndrome
3. autosomal
4. (Since the options don't have a perfect fit for Klinefelter's extra chromosome type among the given list, but if we assume the question is more about the general chromosome concept and the available options, we note the pattern. However, if we strictly follow the list, there might be an issue. But based on the list provided): If we consider the list and the fact that Klinefelter is related to sex - chromosome (but the list has "chromosome" as a general term. If we assume the question is not focusing on sex - vs - autosome here and just chromosome in general, we can use "chromosome" but this is a bit of a stretch. A better approach, if we consider the list's "chromosomal aberrations" etc., but since it's a fill - in - the - blank from the given list): There is an error in the list as Klinefelter has an extra X (a sex - chromosome), but among the given options, if we assume the question is more about the presence of an extra chromosome (not specifying type) and the list has "chromosome" (but it's a bit of a mis - match. However, following the instruction to use from the list): chromosome (with a note of caution as it's not a perfect biological fit but based on the list)
5. chromosomal aberrations
6. down
7. chromosome
8. guanine
9. behavioral
10. disparaged