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| Question | Answer |
| What do all cells contain ? ♡ | A nucleus ♡ |
| How many chromosomes are in human body cells ? ♡ | 46 chromosomes (in 23 pairs) ♡ |
| How many chromosomes are in human sex cells ? ♡ | 23 chromosomes (no pairs) ♡ |
| What are alleles ? ♡ | Different forms of a gene ♡ |
| Why do sex cells have half the usual number of chromosomes ? ♡ | Half come from the egg, half from the sperm ♡ |
| What is a dominant gene ? ♡ | A gene which overpowers other genes ♡ |
| Where is genetic information found in a cell ? ♡ | In the nucleus ♡ |
| What are the features of organisms called ? ♡ | Characteristics ♡ |
| What does DNA stand for ? ♡ | Deoxyribonucleic Acid ♡ |
| What is DNA ? ♡ | A large molecule that contains genes ♡ |
| What is a gamete ? ♡ | Scientific word for sex cell ♡ |
| What is genotype ? ♡ | The combination of alleles carried ♡ |
| What does heterozygous mean ? ♡ | Having two alleles that are different ♡ |
| What does homozygous mean ? ♡ | Having two alleles that are the same ♡ |
| What does phenotype mean ? ♡ | The characteristics shown ♡ |
| What gender is a x + x chromosome ? ♡ | Female ♡ |
| What gender is a x + y chromosome ? ♡ | Male ♡ |
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