Multiple choice questions | Biology homework help

1. Marfan’s syndrome is an autosomal dominant disorder. If a woman who is affected by this syndrome is heterozygote at this allele and has a child with a man who is homozygote recessive, what is the chance that the child will have the syndrome?

¼

¾

½

100%

2. In a Punnett square, the letters on top of the square and on the side of the square represent ____.

3.

A woman who is a carrier of color blindness has children with a man who is not color-blind. What are the chances that a male child will be colorblind?

Group of answer choices

¼

0%

½

¾

100%

4.

Biotechnology

Group of answer choices

does not advance with new scientific knowledge

is always considered more harmful than valuable to society.

is a scientific discipline that only uses gel electrophoresis technology

involves the manipulation of DNA from living organisms or exploitation of biological processes.

5.

Biotechnology advances our technology and has many Pros, and never any Cons.

Group of answer choices

True

False

6.

Which of the following is NOT an example of biotechnology?

Group of answer choices

using punnet squares to determine heredity

using microbes to decompose plastic and waste that pollutes our planet

using animal organs to transplant in humans due to donor shortage

using mRNA with viral sequence to make vaccines to end pandemic infections

7.

Evolution happens at the level of the individual.

Group of answer choices

True

False

8. Explain the process of natural selection.

9.

A certain flower species responds to climate change by turning from a dark purple to a light pink to reflect more light. A species of beetle hides from predators in these flowers. According to natural selection, what response from the beetle would be beneficial to it?

Group of answer choices

developing a lighter carapace

developing a darker carapace (its exterior color)

developing a different food source

developing a stronger sense of smell

10. A bryophyte (aka moss) were the first plants on Earth with vascular tissues.

Group of answer choices

True

False

11. Monocots and eudicots are examples of angiosperms, which are the most abundant type of plants in modern times.

Group of answer choices

True

False

12. A scientist is wondering how diverse a certain lake ecosystem is. What is a good measurement he should take that would help him discover this?

Group of answer choices

the selection agents

the number of earthquakes

the abundance of various species

the temperature

13. Biomes vary from one another in several ways EXCEPT:

Group of answer choices

species diversity

precipitation/rainfall

temperature

which biosphere it is located

14. Surveying is a method used by ecologists to track animal counts in a certain area.

Group of answer choices

True

False

15. Hartnup’s disease is an autosomal recessive disorder. If a woman who is a carrier (heterozygote at this allele) has a child with a man who is homozygote recessive, what is the chance that the child will NOT have the syndrome?

Group of answer choices

0%

¼

½

100%

¾

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