How is human impact on the tundra and the rainforests similar? a. both have been impacted by oil drilling and mining. b. both have been impacted by logging and mining. c. both have been impacted by overgrazing and radioactive pollution. d. both have been impacted by agriculture and oil drilling.

The correct answer is option A

Humans have greatly affected the biome like tundra biome and rain forest. The human activities like oil drilling and mining have affected the biomes.

The tundra biome is rich in mineral resources and ores and mining and oil drilling is very common in this biome. Although it is a resource but it has destroyed many areas in this biome.

The rain forest biome is also rich in minerals and it is also facing the same problem of oil drilling and mining.

some of your causes might be acidic rain or natural wildfires that cause the parks to be degraded

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an individual’s sex (i.e., whether they are a male or female) is determined by the sex chromosomes. most people have two sex chromosomes, one that is inherited from their mother and one that is inherited from their father. typically, females have two x chromosomes (xx) and males have one x chromosome and one y chromosome (xy). conditions caused by changes (“mutations”) in genes located on the x chromosome are considered x-linked.

x-linked recessive inheritance

most x-linked conditions are recessive. this means that in a person with two x chromosomes (most females), both copies of a gene (i.e., one on each x chromosome) must have a change or mutation whereas in a person with one x chromosome (most males), only one copy of a gene must have a mutation. a female with a mutation in one copy of a gene on the x chromosome is said to be a “carrier” for an x-linked condition. a male with a mutation in a gene on the x chromosome is typically affected with the condition. because females have two copies of the x chromosome and males have only one x chromosome, x-linked recessive diseases are more common among males than females. however, x-linked recessive diseases can occur in both males and females.

for x-linked recessive disorders, an unaffected carrier mother who has a mutation in a gene on the x chromosome can transmit either the x chromosome with this mutation or a “normal” x chromosome to her children. if the father is unaffected, none of her daughters will be affected and all of her daughters will be unaffected—since they will inherit at least one normal x chromosome from their father. however, each daughter will have a 50% chance of being an unaffected carrier like her mother and a 50% chance of both x chromosomes being normal.