Meiosis and intro to Genetics Quiz
Preview:
What is the probability of heterozygous offspring?
A. 25%
B. 50%
C. 0%
D. 100%
Is it possible for a man to express an X linked trait, and why or why not?
A. Yes, and they are even more likely because they only posess one X chromosome
B. Yes, because their X comes from mom and is weaker
C. No, because the X is the girl chromosome
D. No, because their 2nd X will overpower it
Which of the following is NOT a genotype?
A. heterozygous
B. a trait
C. Bb
D. homozygous recessive
This phenotype is more likely to be prominent in offspring
A. Genotype
B. Dominant genotyp
C. Recessive Phenotype
D. monotypes
Crossing over helps promote
A. male genotype
B. genetic variation
C. DNA replication
D. mitosis
When we say that a woman is a carrier for a genetic disease or disorder it means that
A. she has 1 gene, but not the disorder
B. she has 2 genes for the disorder
C. she can pass the gene only to male children
D. she can pass the gene only to female children
If a trait shows up more commonly in men than women it is probably
A. not inherited
B. on the x chromosome and dominant
C. on the x chromosome and recessive
D. on a normal body chromosome
What specifically about Pea Plants did Mendel Study?
A. Color of Pea Flower
B. Colors of individual Peas
C. Texture of Peas
D. All of these
What percentage of the female offspring will be a carrier for this recessive disease?
A. 0%
B. 50%
C. 100%
D. 25%
What do we call the result of the genotype (for example, the color of the peas)?
A. Visible traits
B. Physiotrait
C. Genotype 2
D. Phenotype
If B = brown hair and b = blonde hair, what is the probability of brown hair?
A. 25%
B. 50%
C. 0%
D. 75%
What causes genetic variation in meiosis?
A. chromosomes lining up
B. crossing over of chromosomes
C. separation of chromosomes
D. chromosomes pulling apart
Aa, DD, bB, yy are all examples of
A. genotypes
B. phenotypes
Which of the following genotypes belongs in the red box in the Punnett square?
Recessive alleles are-
A. capital
B. lowercase
C. both
D. neither
