PATHOLOGY

PATHOLOGY MCQ

GENETICS AND DISEASE

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What factors can affect a person’s height?
A
genes only
B
both genes and environmental factors
C
a person’s blood type
D
a person’s karyotype
Explanation: 

Detailed explanation-1: -What factors influence a person’s height? The main factor that influences a person’s height is their genetic makeup, or DNA. However, many other factors can influence height during development, including nutrition, hormones, and medical conditions.

Detailed explanation-2: -In addition to genetic and biological determinants, height is also influenced by environmental factors, including a mother’s nutrition during pregnancy, whether she smoked, and her exposure to hazardous substances.

Detailed explanation-3: -The main factor that influences a person’s height is their genetic makeup. However, many other factors can influence height during development, including nutrition, hormones, activity levels, and medical conditions. Scientists believe that genetic makeup, or DNA, is responsible for about 80% of a person’s height.

Detailed explanation-4: -Nearly 10, 000 common gene variants influence how tall a person becomes. For height, DNA is largely destiny. Studies of identical and fraternal twins suggest up to 80% of variation in height is genetic.

Detailed explanation-5: -Your genes hold the basic instructions for your body to grow and function, but they are far from the only thing controlling your traits. Most traits are shaped both by a person’s genes and by environmental factors. Environmental factors include everything outside of DNA that affects your traits.

There is 1 question to complete.