Let’s go step by step to fill in the blanks using the keywords provided.
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Section 1: Chromosomes
1. “Chromosomes are found inside the ________ of a cell.”
→ From biology, we know chromosomes live in the
nucleus.
✔ Keyword:
nucleus
2. “There are ________ pairs of chromosomes in every human body cell.”
→ Humans have 23 pairs.
✔ Keyword:
23
3. “One of each pair of chromosomes comes from each ________.”
→ One from mom, one from dad →
parent
✔ Keyword:
parent
4. “Chromosomes are made up of long lengths of ________.”
→ Chromosomes are made of DNA.
✔ Keyword:
DNA
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Section 2: Genes
5. “A gene is a short section of a ________.”
→ Genes are sections of a chromosome.
✔ Keyword:
chromosome
6. “Each gene ________ for a different ________.”
→ Genes *code* for traits or characteristics.
✔ Keywords:
codes,
characteristic
7. “Genes work in ________. There are different versions of each gene, one is often ________ over the others.”
→ Genes come in pairs (one from each parent) →
pairs
→ One version can be stronger →
dominant
✔ Keywords:
pairs,
dominant
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Section 3: DNA
8. “DNA is short for ________ ________.”
→ Deoxyribonucleic acid
✔ Keywords:
deoxyribonucleic acid
9. “It is a long chain ________ that is made up of a combination of ________ DNA bases.”
→ DNA is a molecule, and it has 4 bases (A, T, C, G).
✔ Keywords:
molecule,
4
10. “DNA has a special structure called a ________ ________.”
→ Double helix
✔ Keywords:
double,
helix
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Now let’s list all answers in order as they appear in the worksheet:
1. nucleus
2. 23
3. parent
4. DNA
5. chromosome
6. codes
7. characteristic
8. pairs
9. dominant
10. deoxyribonucleic acid
11. molecule
12. 4
13. double
14. helix
All keywords used exactly once? Let’s check:
Keywords given:
4, DNA, pairs, double, nucleus, characteristic, chromosome, 23, codes, helix, molecule, parent, dominant, deoxyribonucleic acid → 14 words.
We used all 14. Perfect.
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Final Answer:
nucleus, 23, parent, DNA, chromosome, codes, characteristic, pairs, dominant, deoxyribonucleic acid, molecule, 4, double, helix
Parent Tip: Review the logic above to help your child master the concept of dna and genetics worksheet.
