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Genetics
What are tiny spaghetti-like structures to which genes cling to?

Genetics

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Genes are the very basic molecular unit of inheritance in every living organism. The study of genes is known as Genetics.

Have you ever wondered why some people have blue eyes while others have brown? Or why some people are tall and some people are short? And then there’s hair color – why blond, brunette, auburn or red hair? All of these traits, and many, many others, including health issues, are passed down through generations in a family. We refer to this as traits that are inherited. Each inherited trait is found in the genes of a living thing.

1.
The study of genes is known as _____.
heredity
dominate traits
recessive traits
genetics
The study of genes is known as genetics. Answer (d) is correct
2.
Chromosomes come in ________.
hair colors
sets of cells
pairs
dominate pairs
Chromosomes come in pairs. Answer (c) is correct
3.
In humans, the nucleus contains a total of ___ individual chromosomes.
46
23
25,000
100 trillion
There are a total of 46 individual chromosomes found in the nucleus of a cell in the human body. Answer (a) is correct
4.
The blueprint of a genetic code is known as ___.
Genetics
DNA
Chromosomes
Nucleus
The genetic blueprint of inherited traits is known as DNA. Answer (b) is correct
5.
These are the very basic molecular units of inheritance in every living organism.
Cells
Chromosomes
DNA
Genes
The very basic “molecular” unit of inheritance found in every living organism is a gene. Answer (d) is correct
6.
The smallest unit of life is a ____.
chromosome
nucleus
cell
gene
The smallest unit of life is a cell. Answer (c) is correct
7.
These are tiny spaghetti-like structures to which the genes cling to.
Chromosomes
DNA
Cells
Nucleus
Tiny spaghetti-like structures to which genes cling to are known as chromosomes. Answer (a) is correct
8.
Humans are made up of some ____ cells.
46
100 trillion
23 pairs
25,000 to 35,000
Humans are made up of some 100 trillion cells. Answer (b) is correct
9.
This kind of trait pushes aside or covers up another trait.
Sick
Recessive
Shorter
Dominate
A trait that pushes aside another trait or covers it up is known as a dominate trait. Answer (d) is correct
10.
Each cell in the human body contains ____ genes.
25,000 to 35,000
pairs
100 trillion
camouflage
Each cell of the human body contains between 25,000 and 35,000 genes. Answer (a) is correct
Author:  Christine G. Broome

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