Which of the following are true about human variation? (Choose all that apply): Group of answer choices Genotype refers to how a person looks, through interaction of genes and environment. Siblings are more like each other, genetically, than they are to either of their parents. Usually, it is only identical twins (or sometimes triplets or other multiple births) who have identical DNA, and even so, there is still some phenotypic variation between them. You could have genes for being tall, but if your mother (or even grandmother) had poor nutrition during fetal gestation, you could be shorter than your genes allow. You can produce taller offspring by stretching and remembering to stand up as tall as you can.
Which of the following are true about human variation? (Choose all that apply): Group of answer choices Genotype refers to how a person looks, through interaction of genes and environment. Siblings are more like each other, genetically, than they are to either of their parents. Usually, it is only identical twins (or sometimes triplets or other multiple births) who have identical DNA, and even so, there is still some phenotypic variation between them. You could have genes for being tall, but if your mother (or even grandmother) had poor nutrition during fetal gestation, you could be shorter than your genes allow. You can produce taller offspring by stretching and remembering to stand up as tall as you can.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Concept explainers
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
Question
Which of the following are true about human variation? (Choose all that apply):
Group of answer choices
Genotype refers to how a person looks, through interaction of genes and environment.
Siblings are more like each other, genetically, than they are to either of their parents.
Usually, it is only identical twins (or sometimes triplets or other multiple births) who have identical DNA, and even so, there is still some phenotypic variation between them.
You could have genes for being tall, but if your mother (or even grandmother) had poor nutrition during fetal gestation, you could be shorter than your genes allow.
You can produce taller offspring by stretching and remembering to stand up as tall as you can.
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