Biologia

Vocabulary Review
Labeling Diagrams Use the words listed below to label the Punnett square. Some words may be used twice.
heterozygous parent homozygous offspring
dominant allele heterozygous offspring
recessive allele

Matching In the space provided, write the letter of the definition that best matches each term.

_____ 7. phenotype
_____ 8. gamete
_____ 9. genetics
_____ 10.probability
_____ 11. haploid
_____ 12. gene map
_____ 13. gene
_____ 14. multiple alleles
_____ 15. Trait

a. likelihood that something will happen
b. shows the relative locations of genes on a chromosome
c. physical characteristics of an organism
d. containing one set of chromosomes
e. sex cell
f. chemical factor that determines traits
g. specific characteristic
h. scientific study ofheredity
i. gene with more than two alleles

Completion Fill in the blanks with terms from Chapter 11.
16. The process in which two genes segregate independently is called _____________.
17. Plants that, if left to self-pollinate, produce offspring identical to themselves are called ______________.
18. The offspring of crosses between parents with different traits are called _______________.19. The process during sexual reproduction in which male and female sex cells join is called __________________.
20. The process of reduction division in which the number of chromosomes per cell is cut in half is called ________________.

Dominance
.In the space provided, fill in the genotype of the offspring. The first one has been done for you.

Use the table to answer the questions.Circle the correct answer.
1. What is the dominant shape of a pea pod?
Constricted smooth
2. What is the recessive color of a pea plant’s seed coat?
white gray
Section Assessment 11-1
1- What are dominant and recessive alleles?
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2- What is segregation? What happens to alleles during segregation?
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3- What did Mendel conclude determines biological inheritance?
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4- Determine how Mendel crosspollinated pea plants.
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5- Why did only about one fourth of Mendel’sF2 plants exhibit the recessive trait?
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6- Why were true- breeding pea plants important for Mendel’s experiments?
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Workbook Section 11–1 The Work of Gregor Mendel (pages 263–266)
This section describes how Gregor Mendel studied the...