Biology RC 2 Review Part2

RC 2 Review Part 2: Genetics

Complete the following review using your ISN as reference. Some slides contain reading material or videos. Your expectation is to read and view these study resources. ​(Your time spent on each slide is recorded)

​

​Grade Goal is 90% - unlimited tries

​grades above 87 will replace a zero or recieve extra credit

EOC Biology Mendelian Genetics

Multiple Choice

The observable traits of an organism are known as its

• allele
• dominance
• phenotype
• genotype

Multiple Select

If one parent is heterozygous, which of the following statements is false? Choose all that apply.

• One dominant allele, one recessive allele

• It means they are a hybrid

• They have one capital letter and one lowercase letter as symbols

• They can pass on either allele

Multiple Choice

Which term refers to an organism's physical appearance

• recessive allele

• dominant

• genotype

• phenotype

Multiple Choice

Which of the following best describes a GENOTYPE?

• The allele/genetic makeup of an organism.
• The physical expression of a trait.

Multiple Choice

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT
• Tt
• tt
• tT

Multiple Choice

Tt is-

• homozygous dominant
• homozygous recessive
• heterozygous
• none of these

Multiple Choice

What allele combination should go in the missing box?

• AA
• Aa
• aa
• none of these

Multiple Choice

Brown eyes are dominant over blue eyes. What is the probability that the offspring will have brown eyes in this cross?

• 25%

• 50%

• 75%

• 100%

Multiple Choice

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

• 0%

• 25%

• 50%

• 75%

Multiple Choice

T - tall and t = short

In the Punnett square, what belongs in the missing square?

• tt

• Tt

• TT

Multiple Choice

Assume dad's gametes are on top, what is his genotype?

• AAPP
• AaPp
• aaPP
• Aapp

Multiple Choice

Which of the following identifies the gametes?

• A
• B
• C
• D

Multiple Choice

R= red 
r= green
Which color is recessive?

• red
• green
• both
• brown

Multiple Choice

parent 1: GgBB
parent 2: ggBb
Find the gametes for parent 1.

• GB, GB, gB, gB
• gB, gb, gB, gb
• Gg, BB, GB, GB
• gg, Bb, gB, gb

Multiple Choice

Using the dihybrid cross and key provided, what is the probability of the offspring being tall and white?

• 9
• 2
• 3
• 6

Multiple Choice

Based off this punnett square, what fraction of the offspring will have wrinkled, yellow seeds?

• 9/16
• 3/16
• 1/16
• 16/16

Multiple Choice

What goes in box 3

• Aabb

• AABB

• AAbb

• aaBb

Multiple Choice

What gamete possibilities could come from this parent's genotype?

• AB, AB, aB, aB
• Ab, AB, Ab, ab
• Ab, Ab, Ab, Ab
• AB, aB, ab, aB

Multiple Choice

What do we call the result of the genotype (for example, the color of the peas)?

• Visible traits
• Physiotrait
• Genotype 2
• Phenotype

Multiple Choice

What did Mendel call the two kinds of traits exhibited by the pea plants (one coming from the father, one from the mother)?

• Genesis
• Elective traits
• Alleles
• Quadrants

Multiple Choice

Gregor Mendel is known as the father of _________

• Modern Medicine
• Father of the Green Revolution
• Father of Genetics
• The Pea Plant Man

Multiple Choice

What did Gregor Mendel use to discover the principles that rule heredity?

• Pea Plant
• Pigeons
• Pear trees
• Photosynthesis

Multiple Choice

If green is dominant over purple, then what is the genotype for this individual?

• Purple
• Green
• GG
• gg

Multiple Choice

The dominant trait in this punnett square is

• yellow pea seeds
• green pea seeds
• there is no dominant seed

Multiple Choice

The letters on the TOP AND SIDE of a punnett square represent ______________.

• The combination of alleles in offspring.
• The possible alleles given by the parents following meiosis.
• The genotype and phenotype of offspring.
• The results of genetic mutations in offspring.

Multiple Choice

Chromosomes that carry genes that code for the same products, such as hemoglobin or eye pigment, are said to be:

• homologous

• heterozygous

• heterogeneous

• homozygous

Multiple Choice

In cattle red coats are represented as RR, and white coats are represented as WW.

What is the genotype for Roan color?

• RR

• RW

• WW

Multiple Choice

In mice coat color is incompletely dominant. Black and white are homozygous. Brown mice are heterozygous.

What is the genotype for a brown mouse?

• BB

• Bb

• bb

Multiple Choice

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

• 2 red, 2 speckled

• 2 red, 2 blue

• 2 blue, 2 speckled

Multiple Choice

If this image were real, it would represent what type of inheritance?

• incomplete dominance

• codominance

• polygenic inheritance

• compete dominance

Multiple Choice

What are the genotypes of these flies:

white eyed, female ?

• X ^R X ^r

• X ^R X ^R

• X^r X ^r

• X ^r Y

• X ^R Y

Multiple Choice

In fruit flies, eye color is a sex linked trait. Red (R) is dominant to white (r). What is the sex and eye color of flies with the following genotype: X ^R X ^r ?

• male with white eyes

• female with red eyes

• male with red eyes

• female with white eyes

Multiple Choice

Which of the following genotypes belongs in the red box in the Punnett square?

• X^BX^b

• X^bX^b

• X^bY

• X^BY

Multiple Choice

What percentage of the female offspring will be a carrier for this recessive disease?

• 0%

• 50%

• 100%

• 25%

Multiple Choice

Colorblindness is a sex-linked recessive disorder. A normal woman whose father was colorblind marries a man with normal color vision. What percentage of their sons will be colorblind?

• 0%

• 25%

• 50%

• 100%