Study Guide
Chapter 3 – Biology
Name
Period
BIOLOGY HEREDITY CHAPTER 3 STUDY GUIDE
1. What did Mendel take to be sure that his pea plants cross-pollinated?
2. A plant with 2 dominant or 2 recessive alleles is said to be _____________________.
3. What is asexual reproduction?
4. How are sex cells different from human cells?
5. What are homozygous chromosomes? Give some examples.
6. Why do sex linked disorders occur more in males?
7. What carries the genes that determine sex?
8. What are the instructions called for an inherited trait?
9. What are the different forms of a gene called?
10. What did Mendel discover about recessive traits?
11. What are chromosomes that carry the same sets of genes called?
12. What causing sex-linked disorders?
13. What is a trait?
14. What does incomplete dominance mean? Give an example.
15. What kind of plant produces offspring with the same traits as the parent?
16. What do you call one set of instructions for an inherited trait?
17. Two forms of a gene, one from each parent are called_________________________.
18. Offspring that are different from both parents are produced by
________________reproduction.
19. What is heredity?
Study Guide
Chapter 3 – Biology
Name
Period
20. What is a plant that has two dominant or two recessive genes called?
21. What is Mendel’s ratio for dominant to recessive?\
22. Who was Gregor Mendel?
____________________________________________________________
DEFINITIONS:
PHENOTYPE:
GENOTYPE:
PUNNETT SQUARE:
INCOMPLETE DOMINANCE:
TRAIT:
GENE:
ALLELE:
SELF-POLLINATING:
TRUE BREEDING PLANTS:
SEX CELLS:
INCOMPLETE DOMINANCE: