review for test mrs. anna ward james martin ms. do now!!! in zorks, green skin (r) is dominant to...

Review for Test

Mrs. Anna WardJames Martin MS

DO NOW!!!In Zorks, Green Skin (R) is dominant to yellow skin (r). Complete a cross between a Homozygous Green Zork (RR) and a yellow skinned zork (rr).

1. What are the possible genotypes this cross can make?

2. What are the possible phenotypes?

3. What percent of the offspring will be green?

4. What percent of the offspring will be yellow?

Announcements

• TEST on TUESDAYo (Hartberger’s KidsYou will test today)

• FINAL NOTEBOOK CHECK OF THE QUARTER on WEDNESDAY

Agenda• Review Vocabulary

• 3 Practice Problems

• INDEPENDENT SHEETS o Ward’s class—sheets are for review for your test Tuesdayo Hartberger’s class—this is your actual test

Vocabulary Review 1• Punnett squares can be used to

predict the probability of:a)Being exposed to a contagious disease and

contracting itb)Having an inherited disease or a genetically

determined physical traitc) How likely you are able to perform a task d)All of the above

Vocabulary Review 2A genotype is:

a)The actual characteristics that can be observed

b)A genetic diseasec)The actual combination of alleles an

organism hasd)Various forms of the same gene

Vocabulary Review 3A phenotype is:

a)The actual characteristics that can be observed

b)A genetic diseasec)The actual combination of alleles

an organism hasd)Various forms of the same gene

Vocabulary Review 4What is the name for the allele that is expressed in the phenotype even if only one copy is present in the genotype?

a)Recessiveb)Punnettsc) Prevailingd)Dominant

Vocabulary Review 5What is the name for the various forms of the same gene?

a)Genotypeb)Allelec)Phenotyped)Heredity

Review Problem #1In pea plants, the allele for smooth peas is dominant over the allele for wrinkled peas. Create a Punnett Square and calculate the probability that two smooth pea plants will have an offspring with wrinkled peas if each parent has one smooth and one wrinkled allele.

Review Problem #2

AA ____Bb ____Cc ____Dd ____

Ee ____ff ____GG ____ HH ____

Which of the following GENOTYPES are HETEROZYGOUS (HE) or HOMOZYGOUS (HO)?

Review Problem #3For each of the genotypes below, determine the phenotype.

Purple flowers are dominant to white flowersPP ___________________________Pp ___________________________pp ___________________________

Brown eyes are dominant to blue eyesBB ___________________________Bb ___________________________bb ___________________________

Review Problem #4R=roundr=wrinkled

RR x rr

What percentage of the offspring will be round?


RR x Rr



Rr x Rr



RR x RR



Rr x rr


Test…Everyone will need to move the desks far apart. You must work independently.

NO TALKING This is the actual test for the Bobcats

My kids This is a practice run. Please use this time to prepare for Tuesday’s test. You should raise your hand if you have ANY questions and I will help you.

STAY IN YOUR SEAT. DO NOT TALK. TESTING PROCEDURES IN PLACE.

Exit Ticket• What is a pedigree?

• Why do we use it?

review for test mrs. anna ward james martin ms. do now!!! in zorks, green skin (r) is dominant to...

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