"Y10 Genetics Crossword": HTML5 Crossword

Across

1. Containing two complete sets of chromosomes, one from each parent (7)
4. Change in a DNA sequence that affects genetic information (8)
7. Mutation that involves the insertion or deletion of a nucleotide in the DNA sequence (10)
12. A diagram that shows a genetic trait in several generations of a family (8)
13. An organism that has two identical alleles for a trait (10)
16. The scientific study of heredity (8)
18. Gene located on a sex chromosome (9)
19. Different forms of a gene (7)
20. Characteristics that are inherited (6)

Down

2. Describes a trait that covers over, or dominates, another form of that trait. (8)
3. A chart that shows possible combinations of alleles from a genetic cross (7)
5. having a single set of unpaired chromosomes (7)
6. An allele that is masked when a dominant allele is present (9)
8. An organism that has two different alleles for a trait (12)
9. A chemical or physical agent that interacts with DNA and causes a mutation (7)
10. Cell division which produces cells with the same number of chromosomes (7)
11. An X-linked recessive disorder causing excessive bleeding if injured (10)
14. A segment of DNA on a chromosome that codes for a specific trait (4)
15. Cell division that results in four daughter cells with 1/2 the number of chromosomes (7)
17. A gene mutation in which a single base pair in DNA has been changed (5)