gls

1. Notecards for CH. 4
Science Explorer

2. Male sex chromosomes are labeled by?
XY

3. A person with one dominant and one recessive
allele, but shows the dominant trait is?
Carrier

4. A person that inherits an abnormal condition
through genes or chromosomes.
Genetic Disorder

5. Another name for gene splicing?
Genetic Engineering

6. All of the DNA in one cell of an organism is
called?
Genome

7. A test that arranges chromosomes into pairs.
Karyotype

8. How many genes does it take, to produce a
widow’s peak?
One

9. What 3 things can alter a person’s height from
their environment.
Diet
Living Conditions
Medical Care

10. Genes that carried on the X and Y chromosome
are called?
Sex-Linked

11. A cross between two genetically different
individuals?
Hybridization

12. Genetic disorder in which a person’s blood clots
slowly?
Hemophilia

13. Genetic disorder that a person body produces
abnormally thick mucus?
Cystic Fibrosis

14. The genetic disorder that gives a person an extra
copy of chromosome 21?
Down Syndrome

15. XX sex chromosomes means what gender?
Female

16. What is the codominant blood type?
AB

17. Helps couples understand about genetic
disorders is called?
Genetic Counseling

18. Is used with genetic engineering because it
reproduces quickly, and large amounts of genes
can be produced quickly?
Bacteria

19. Farmers use _________ in cows, to get desired
traits for the consumer’s needs.
Selective Breeding

20. What process will help you clone a plant?
Cutting

21. What is the chart that helps track which family
member has a particular trait.
Pedigree

22. Explain how two brown eyed parents can have a
blue eyed son?
Mom and Dad are carriers of the
recessive gene.