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Heredity and Genetics Part 1 Flashcards | StudBud
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Heredity and Genetics Part 1
What are alleles?
The characteristics of an organism are called
Heredity and Genetics Part 1
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1
The characteristics of an organism are called
gamete
parents
short
trait
2
What are alleles?
2 or more forms of a particular gene
a trait or characteristic
something that makes you sneeze
3
Sperms cells and egg cells are
gametes
short
dominant
genetics
4
Meiosis occurs only in the formation of _________.
homozygous
genetics
gametes
12
5
How many chromosomes does a human egg cell contain?
23
55
46
92
6
What is the basic molecule in chromosomes?
DNA
Nucleotides
RNA
7
What are the four building blocks of DNA?
adenine, thymine, cytosine, guanine
adenine, thyme, cytosine, guamine
adenine, thymine, cystosine, guanine
8
What are the genes located?
on the chromosome
in the cell
In the DNA
9
Inherited traits are passed from _________ to their offspring.
genetics
dominant
traits
parents
10
The process that reduced the number of chromosomes in a cell by one-half is
meiosis
dominant
23
gametes
11
The gene whose trait always shows itself is called the ________ gene.
traits
homozygous
dominant
genetics
12
What is protein synthesis?
Process by which proteins are made
Process by which genes are made
13
Why is it important for gametes to have half as many chromosomes as normal body cells?
To ensure there are the right amount of chromosomes for an organism.
To make sure all the genes fit.
14
All human body cells contain ________ chromosomes.
genetics
traits
23
dominant
15
The recessive gene for height in a pea plant is _________.
homozygous
gametes
genetics
short
16
The field of biology that studies heredity is called
23
genetics
meiosis
traits
17
A pea plant with two tall genes is called
parents
meiosis
homozygous
traits
18
Where are the chromosomes located?
chloroplast
cell's nucles
cell's membrane
19
How are mitosis and meiosis similar?
blue and yellow answers both true
Both are forms of reproduction
both start with "m"s
both are forms of deterioration
20
Why was Gregor Mendel called the Father of Genetics?
He was the first to identify chromosomes
He was the first to study traits and how they were passed.
