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Biology - Mendelian Genetics

Terms in this set (32)

Who is the father of genetics?
gregor mendel
The different alternatives or choices for a gene are called-
allele
crossing organisms from the F1 generation produces the-
f2
Crossing organisms from the P2 generation produces the-
f1
Mendel's "factors" or "particles" are now called-
genes
Self-pollination produces seeds with genetic information from----- parent plant(s).
one
What is Mendelian Inheritance?
if a dominant allele is present, then the recessive allele wont be seen
pollen is produced by which part of the flower?
stamen
TRUE OR FALSE: Mendel's law of Fertilization explains why alleles end up in different gametes following meiosis.
false
A characteristic that can be observed such as hair color, seed shape, flower color, etc.
trait
The joining of a sperm and egg to make a zygote
fertilization
A gene choice that MASKS ANOTHER choice for a trait
dominant
A gene choice that IS MASKED BY ANOTHER choice for a trait
recessive
The branch of Biology that studies how characteristics are transmitted from parent to offspring
genetics
The passing of characteristics from parent to offspring
heredity
An alternative choice for a gene
allele
An organism that always produces offspring identical to itself and is self-pollinated
pure breeding
The two genes or alleles that combine to determine a trait would be the organism's-
genotype
Incomplete Dominance results in-
the blending of genes in a hybrid
The physical feature that results from the genotype is called-
phenotype
How many traits are involved in a monohybrid cross?
1
What organism was used first in the genetic studies done by Gregor Mendel?
peas
How many traits are involved in a dihybrid cross?
2
Law that states that the dominant gene in a pair will be expressed
law of complete dominance
The genes for sex-linked traits are only carried on which chromosome?
x
an F2 cross is also called a what?
test cross
What genetic disorder results from a sex-linked trait that affects color vision?
color blindness
During the formation of Gametes (eggs or sperm) the 2 alleles responsible for a trait separate from each other.
law of segregation
Two alleles are expressed in heterozygous individuals. Ex: blood type.
codominance
what blood type is: I^a I^a, I^a i^a
A
What blood type is: I^b I^b, I^b i^b
B
What blood type is: ii
o
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