Mendelian GeneticsUnit 6 Almost There

Quiz

Question #1

a. Evolutionb. Heredityc. Taxonomyd. Diseases

Genetics is the study of:

Question #2

a. GGb. Mmc. bbd. zz

Which of the following allele pairs are considered heterozygous:

Question #3

a. Pureb. Complicatedc. Hybridd. Homozygous

_____ is another term for heterozygous

Question #4

a. bbb. Ttc. GTd. Ab

Which of the following are considered pure?

Question #5

a. Predict exactly what the offspring will look likeb. Predict what offspring could look likec. Determine the exact ratio of phenotypesd. Determine the exact ratio of genotypes

Punnett squares:

Question #6

a. Meiosis occurs in two stepsb. Polyploidy can be beneficial in agriculturec. Genetics is too complicated to predictd. Factors for different traits are inherited independently of one another

Which was concluded by Mendel as a result of his genetic research?

Question #7

a. Law of Segregationb. Law of Probabilitiesc. Law of Dominanced. Law of Independent Assortment

What law states that during gamete formation, genes for different traits separate without influencing each

other’s inheritance?

Question #8

a. Twinsb. Gametesc. Hybridd. Polyploidy

If an organism has one or more extra sets of chromosomes, they are considered:

Question #9

a. 1 b. 2c. 3d. 4

Two genetically identical plants were crossed. The genotypic ratios of offspring are seen in the Punnett square.

How many of the offspring look like the parents?

Question #10

a. Ttb. ttc. Frecklesd. Exercise Routines

Which of the following is a phenotype?

Question #11

a. tt for mom and Tt for dadb. Tt for mom and Tt for dadc. TT for mom and TT for dadd. TT for mom and tt for dad

If mom is short and dad is heterozygous tall, what are their genotypes?

Tall is dominant over short.

Question #12

a. 25% Black/50% blonde/25% brownb. 75% Black/25% Blondec. 25% Black/75% Blonde d. 25% BB, 50% Bb, 25% bb

If Black is dominant over blonde, what are the possible percentages for each phenotype in this

cross?B b

B

b

Question #13

a. 50% TT and 50% Ttb. 75% Tt and 25% Ttc. 50% Tall and 50% shortd. 100% Tall

If Tall (T) is dominant over short (t), and a homozygous tall organism crosses with a

heterozygous organism, what are the possible phenotypes of the offspring?

Question #14

a. 25%b. 50%c. 75%d. 100%

A red flower and a white flower reproduce (shown in the punnett square below). Create a punnett square if one of the offspring below self-fertilizes. What percent of the offspring

could be red?

R R

W

W

RW RW

RW RW

Question #15

a. 1:3 brown to blueb. 3:1 brown to bluec. 0:1 brown to blued. 1:2:1 BB to Bb to bb

If a Brown eyed grasshopper (Bb) were crossed with a Brown eyed grasshopper (Bb) what would be the

resulting phenotypic ratio?

Brown is dominant over blue

The End