"Y10 Genetics Crossword": HTML5 Crossword

Across

4. having a single set of unpaired chromosomes (7)
5. Change in a DNA sequence that affects genetic information (8)
6. Different forms of a gene (7)
7. Mutation that involves the insertion or deletion of a nucleotide in the DNA sequence (10)
13. A diagram that shows a genetic trait in several generations of a family (8)
14. An organism that has two identical alleles for a trait (10)
16. A segment of DNA on a chromosome that codes for a specific trait (4)
17. Gene located on a sex chromosome (9)
18. A gene mutation in which a single base pair in DNA has been changed (5)
20. Cell division that results in four daughter cells with 1/2 the number of chromosomes (7)

Down

1. A chemical or physical agent that interacts with DNA and causes a mutation (7)
2. A chart that shows possible combinations of alleles from a genetic cross (7)
3. Describes a trait that covers over, or dominates, another form of that trait. (8)
8. An organism that has two different alleles for a trait (12)
9. Cell division which produces cells with the same number of chromosomes (7)
10. An allele that is masked when a dominant allele is present (9)
11. Containing two complete sets of chromosomes, one from each parent (7)
12. An X-linked recessive disorder causing excessive bleeding if injured (10)
15. The scientific study of heredity (8)
19. Characteristics that are inherited (6)