Science Study 7.2
Chromosome and Genetics Quiz
Test your knowledge on the fascinating world of chromosomes and genetics with our engaging quiz! This quiz is designed to enhance your understanding of key concepts in genetics, including chromosome numbers, genetic disorders, and inheritance patterns. Dive into 10 thought-provoking questions that will challenge your biology skills.
Are you ready to learn? Here are some highlights:
- Understand the implications of chromosome numbers in different organisms.
- Explore genetic diseases and their historical significance.
- Differentiate between mitosis and meiosis.
If fruit flies have eight chromosomes in their body (somatic) cells, how many chromosomes would they have in their sex cells?
4
8
16
32
If dog sex cells have 39 chromosomes, how may chromosomes are in their body (somatic) cells?
39
78
156
212
Which genetic disease played a role in the downfall of the Russian monarchy?
Influenza
Covid 19
Hemophilia
Asthma
Is chromosome number a good predictor of the complexity of the organism?
Yes
No
The expected number of chromosomes in human body cells is 46. Fruit flies have only 8 chromosomes, mulberry trees have 308, and protists can have thousands. Dogs are in the middle of the range, with 78 chromosomes. How many chromosomes are in the sex cells of each of these organisms?
Always 23
Always half as many in the body cells
Always as many as in the body cells
Always twice as many as in the body cells
Genetic disorders can result from a missing piece of a chromosome. Cri du chat syndrome is caused by a shortened chromosome 5. In French, the name means “cat’s cry”. Babies with cri du chat syndrome make a cry like a kitten. Cri du chat causes many physical and mental symptoms. What is a person with an incomplete chromosome missing?
Many genes
All genes
A body cell
A sex cell
When a plant produces pollen cells with half the chromosomes of the parent cells it has completed:
Mitosis
Meiosis
When a bacterium divides to make two identical daughter cells it has completed:
Mitosis
Meiosis
When a skin cell divides rapidly to replace tissue damaged by a scrape it has completed:
Mitosis
Meiosis
Mitchell’s family has the unusual trait of having an extra finger. Many members of his family were born with an extra finger, which is a recessive trait. At a family dinner, Mitchell’s grandmother helped him sketch a pedigree of the family. Dark-shaded family members were born with an extra finger. No shading indicates people who do not have an extra finger. A question mark means it is unknown. Mitchell is #8 on the pedigree and Mitchell’s grandmother is #2. Based on the pedigree, what do you predict for family members #11, #12, and #13?
Heterozygous recessive with an extra finger
Homozygous recessive with an extra finger
Heterozygous recessive without an extra finger
Homozygous recessive without an extra finger
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