
G8 Integrated Science: Year in Review Quiz - Coordi-Regula 2

Quiz
•
Science
•
8th Grade
•
Medium
+9
Standards-aligned

Obi Obiechefu
Used 1+ times
FREE Resource
193 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hemophilia is a sex-linked, recessive trait. Which of the following describes the probability of hemophilia in the offspring of a man who does not have hemophilia and a woman whose father is a hemophiliac?
Each of their sons will have hemophilia.
None of their daughters will have hemophilia.
Their sons have a 25% chance of having hemophilia.
There is a 50% chance that their daughters will have hemophilia
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitchhiker's thumb (H) is dominant to no hitchhiker's thumb (h). A woman who does not have hitchhiker's thumb marries a man who is heterozygous for hitchhiker's thumb. What is the probable genotypic ratio of their children?
0% Hh: 100% hh
50% Hh: 50% hh
75% Hh: 25% hh
100% Hh: 0% hh
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A human baby boy inherits a recessive allele from his mother. In which circumstance would he most likely show the trait coded for by the recessive allele?
The baby inherits the dominant allele from his father.
The allele is on an autosomal chromosome and the baby is a twin.
The allele is on the X chromosome.
The allele is on the Y chromosome.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A female is homozygous for a recessive for green eyes (g), while the male is homozygous dominant for blue eyes (G) What percentage of their offspring would be expected to exhibit blue eyes?
0%
50%
75%
100%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why are males more likely to exhibit sex-linked disorders than females?
Males have two X chromosomes that amplify all sex-linked disorders
Males have one X chromosome on which most sex-linked disorders are located.
Males have only one functional sex chromosome on which all gender traits are located.
Males have multiple sex chromosomes that mutate causing sex-linked disorders to become visible.
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Sex chromosomes are different in male and female. Which statement is correct?
Males are XX and Females are XY.
Males are ii and Females are XX.
Males are XY and Females are XX.
Males are XY and Females are ii.
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Polygenic traits are controlled by more than 1 pair of genes. Give an example.
Freckles
Eye Color
Dimples
Widows Peak
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