what is the difference between anaphase 1 and anaphase 2 of meoisis?

chromatids separate during anaphase 2

Describe a dominant trait

Blocks or masks other recessive traits.

What is heterozygous?

Organisms that have 2 different alleles for the same gene

an organism’s physical appearance

close together on a chromosome, usually inherited together

A man w/ AB blood is married to a woman w/ AB blood. What type and proportion will the kids be?

1/4 type A blood, 1/4 type B blood and 1/2 type AB blood

The relative locations of genes on a chromosome

What are punnett squares used for?

To help predict the genotype and phenotype combination

an organism’s genetic makeup, or allele combination

Organisms that have 2 identical alleles for 1 gene

Describe incomplete dominance.

When the offspring has a mix of two colors

What are tetrads? Choose the best answer.

Paired homologous chromosomes in meiosis

When the offspring has a speckled pattern of two colors.

The likelihood that a particular event will occur

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College Prep - Gene Maps, Punnett Squares, and Mendelian Inheritance

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Types of dominance Genotype vs. Phenotype Punnett square Laws of Probability Gene Maps and Crossing Over

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Questions 24

Answers

1
what is the difference between anaphase 1 and anaphase 2 of meoisis?
homologous chromosomes separate during anaphase 2
there is no difference
chromatids separate during anaphase 2
chromatids separate during anaphase 1
2
Describe a dominant trait
Blocks or masks other recessive traits.
A trait only present in females
A trait only present in males
Is hidden by any other traits
3
What is heterozygous?
Organisms that have 2 identical alleles for 1 gene
Organisms that have 2 different alleles for a different gene
Organisms that have 2 identical alleles for the same gene
Organisms that have 2 different alleles for the same gene
4
What is a Phenotype?
an organism that has two different alleles for a trait
the likelihood that a particular event will occur
an organism’s physical appearance
a cross between two different organisms
5
Linked genes are
close together on a chromosome, usually inherited together
one the same chromosome
often found on different chromosomes
always inherited together
6
What phase has crossing over?
Prophase 2
Prophase 1
Metaphase 1
Metaphase 2
7
A man w/ AB blood is married to a woman w/ AB blood. What type and proportion will the kids be?
4/4 AB blood type
1/4 type A blood, 1/4 type B blood and 1/2 type AB blood
1/2 type A blood, 1/4 type B blood, and 1/4 type AB blood
3/4 A blood type and 1/4 B blood type
8
Thomas Hunt Morgan discovered linked genes through crossing...
fruit bats
fruit flies
giraffes
zebras
9
What is the Phenotype ratio? H= black h= white
3:1
1:2:1
1:1
1:1:1
10
A gene map shows…
The number of possible alleles for a gene.
Where chromosomes are in a cell
How crossing-over occurs
The relative locations of genes on a chromosome
11
1 parent-AB Other is O. They have 3 kids. Blood types r A,B,O. 1 kid is adopted. Who is it?
The kid with type O
The kid with type B
The kid with type A
Trick question, no one is adopted
12
What are punnett squares used for?
To help predict when mutations can occur
All of the above
To predict the gender of the offspring
To help predict the genotype and phenotype combination
13
What is a Genotype?
an organism’s physical appearance
Alleles that are neither dominate nor recessive
the probability of what an organism would turn out to be
an organism’s genetic makeup, or allele combination
14
What is homozygous?
Organisms that have 2 identical alleles for 1 gene
Organisms that have 2 different alleles for the same gene
Organisms that have 2 different alleles for different gened
Organisms that have 2 identical alleles fir multiple genes
15
Describe incomplete dominance.
When the offspring is all one color
When the offspring is half and half of two colors
When the offspring has a mix of two colors
When the offspring has a speckled pattern of two colors
16
What is the Genotype ratio?
1:1:1:1
1:2:1
2:2
1:1
17
What would the four genotypes of this punnett square be?
TT, Tt, Tt, tt
TT, TT, Tt, tt
Tt, Tt, Tt, tt
TT, Tt, Tt, Tt
18
What are tetrads? Choose the best answer.
Paired homologous chromosomes in meiosis
Separation of homologous chromosomes
Non-separation of chromatids
Chromosomes condense fully
19
Describe codominance
None of these
When the offspring has a mix of two colors
The dominant trait in a genotype
When the offspring has a speckled pattern of two colors.
20
Chromosomes form tetrads during
prophase I
metaphase I
anaphase
interphase
21
What is probability?
The likelihood that a particular event will not occur
The likelihood that a particular event will occur
22
What would the outside phenotypes be in order to fit this punnett square?
Rr and rr
Rr and Rr
rr and rr
RR and rr
23
If green feathers are dominant over gold feathers, what is the phenotype of box number 4.
Green
Black with brown speckles
Brown with black speckles
Gold
24
Crossing over _________________ genetic diversity
decreases
increases

College Prep - Gene Maps, Punnett Squares, and Mendelian Inheritance Flashcards | StudBud