Name

Date

Class

Genetics:TheScienceofHeredity■ReviewandReinforce

Mendel’sWork

UnderstandingMainIdeas

Studythediagram.Thenanswerthefollowingquestions.

PGenerationF1GenerationF2Generation



1.Whattraitinpeaplantsisbeingstudiedinthecrossabove?

  1. Color
  2. Height
  3. Pea pod

2.What are thetwoallelesofthistrait?

•______allele

•______allele

3.Whichalleleisthedominantallele?Explainhowyou know.

•______

•is the dominant allele.

•I know this is dominant because ______

______

4.Whichalleleistherecessiveallele?Explain.

•______is the recessive allele.

•I know this is recessive because ______

______

5.WhatallelesdotheF1offspringhave?Explainwhichallelewasinheritedfrom whichparent.

•F1 offspring have an ______allele and a ______allele

•F1 offspring inherited a ______allele from the first plant and a ______allele from the 2nd parent

BuildingVocabulary

Matcheachtermwithitsdefinitionbywritingtheletterofthecorrectdefinitiononthelinebesidetheterm.

6.genetics

7.alleles

8.traits

9.recessiveallele

10.genes

11.hybrid

12.heredity

13.dominantallele

a.thepassingoftraitsfrom parentsto offspring

b.an organism withtwo different allelesforatrait

c.factors that control traits

d.physicalcharacteristicsoforganisms

e.anallelewhosetraitalwaysshowsupin the organism

f.the different formsofagene

g.thescientificstudyofheredity

h.anallelewhosetraitismaskedinthe presence ofadominantallele

14. CIRCLE the pairs of alleles which are PUREBREDS and put a SQUARE around those that are HYBRIDS.

Tt TT tt Bb bb XX XY

15. Who is considered to be the Father of Genetics? ______

TRAITS


/ ______
______/ ______
______/ ______

16. Choose 5 of the Vocab words from the last page. Write the vocab word at the top of the box. Write a short definition at the bottom of the box. Draw an illustration that will help you to remember the meaning of the word.