If a mother has brown eyes and a father has blue eyes, a child could have blue eyes if what is TRUE?
A.
Your mother passes on a mutation.
B.
Your mother has one allele for blue eyes and one allele for brown eyes.
C.
Your father has one allele for blue eyes and one allele for brown eyes.
D.
Your mother has two alleles for blue eyes.
B. Your mother has one allele for blue eyes and one allele for brown eyes.
What is one of the functions of the integumentary system, which includes skin and hair?
A.
provide important minerals to the body
B.
prevent passive transport
C.
regulate body temperature
D.
fight infection
C. Regulate body temperature.
The highest level of organization is an ecosystem.
A.
True
B.
False
B. False.
The highest level of organization is the biosphere, which includes all living things and their environments on Earth.
The correct answer is B. Your mother has one allele for blue eyes and one allele for brown eyes.
To understand why, let's first consider how eye color is inherited. Eye color is determined by specific genes that are passed down from our parents. The gene that contributes to brown eyes is generally dominant, while the gene for blue eyes is recessive.
In this scenario, we have a mother with brown eyes (which means she has two alleles for brown eyes) and a father with blue eyes (which means he has two alleles for blue eyes). The mother's brown eye allele is dominant, while the father's blue eye allele is recessive.
When it comes to inheriting eye color, a child receives one allele from each parent. If the child receives the brown allele from the mother and the blue allele from the father, then the child will have blue eyes. This is because the brown allele is dominant, and the blue allele is recessive.
Therefore, for a child to have blue eyes in this scenario, it means that the mother must have one allele for blue eyes (from the father) and one allele for brown eyes (from herself), as stated in option B.