stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Genetics Flashcards | StudBud
Explore
/
Genetics
Genetics
45 terms
·
StudBud Administration
·
535 plays
#genetics
Flashcards
45 cards
F
Practice quiz
P
Host live
L
Questions
45
Answers
1
What is the correct genotype probabilities of a cross between Bb, Bb parents
50% Bb, 50% bb
25% Bb, 50% BB, 25% bb
50% BB, 50% bb
25% BB, 50% Bb, 25% bb
2
red flowers crossed with white flowers produce a plant with pink flowers is an example of
multiple alleles
polygenic inheritance
codominance
incomplete dominance
3
Offspring have a better chance of survival in a changing environment with
All of the above
asexual reproduction
sexual reproduction
no reproduction
4
Spiders instinctively knowing how to build a web is an example of _ behavior.
mating
learned
innate
courtship
5
The pattern of inheritance in which one allele is only partially dominant is
polygenic inheritance
incomplete dominance
codominance
multiple alleles
6
Which of the following is true
genotype determines phenotype
genotype determines heredity
phenotype determines heredity
phenotype determines genotype
7
The pattern of inheritance in which both alleles are expresses equally is
incomplete dominance
polygenic inheritance
multiple alleles
codominance
8
Plants can't walk around to find mates, what is NOT a characteristic developed to ensure reproductive success?
Seeds with hooks to be dispersed by animals
Strongly scented flowers
Brightly colored flowers
Nectar production
9
What shape is DNA?
double helix
ladder
trapezoid
helix
10
What part of the plant is shown in the picture?
stamen
fruit
ovule
pistil
11
How many times does the nucleus divide in meiosis
4
1
2
3
12
In a pedigree what does this symbol mean?
recessive female
dominant male
recessive male
dominant female
13
The physical appearance of an organism is its
probability
phenotype
genotype
alleles
14
If an organism's body cell has 12 chromosomes, how many will a sex cell have
12
24
6
3
15
Which statement is most true?
Plant reproduce sexually.
Plants reproduce asexually.
Plants reproduce sexually or asexually but not both.
Plants reproduce sexually, asexually, or both.
16
Which of the following is NOT a benefit of sexual reproduction?
Genetic variation
Some individuals might be able to survive environmental changes
Some individuals might be able to survive diseases
Reproduction is quick
17
an allele whose trait is hidden in the presence of a dominant allele
recessive allele
trait
heterozygous
dominant allele
18
Which of the following are all homozygous
bb, dd, Gg
bb, Dd, gg
BB, dd, Gg
BB, DD, gg
19
Offspring probability is 50% chance of Bb and a 50% chance of bb what are the parents genotypes
Bb, BB
Bb, bb
BB, bb
Bb, Bb
20
When parent plants are crossed, scientists refer to the first generation of offspring as
F1
P
1F
F2
21
Seedless plants grow from _ not seeds.
mushrooms
nuts
spores
fruits
22
Which of the following is an example of a non flowering plant that reproduces via sexual reproduction?
pine tree
fern
moss
23
Which is an example of phototropism?
A vine growing up a tree.
The roots of a plant growing down towards the center of Earth.
A venus fly trap closing when an insect lands on it.
A cactus growing towards the sun.
24
Body cells of humans have how many chromosomes
1/2 of sex cells
46 pairs
23
23 pairs
25
Identical twins are clones but they don't always behave the same, why?
They are heterozygous
They have different genes
They have different alleles
Some traits are learned
26
The passing of traits from parents to offspring
trait
heredity
genetics
hybrid
27
Four genes determine if a rabbit is white, brown or gray. This is an example of
codominance
polygenic inheritance
multiple alleles
incomplete dominance
28
What was Mendel's conclusion?
hybrids have identical alleles
genes are passed down from parent to offspring
traits from each parent are mixed in the offspring
1 allele from each parent & dominant will mask recessive
29
The pattern of inheritance in which there are three or more possible alleles for a trait is
multiple alleles
codominance
incomplete dominance
polygenic inheritance
30
The genetic makeup of an organism is its
heredity
phenotype
traits
genotype
31
What happens during interphase of meiosis?
DNA is duplicated
DNA is split in 1/2
2 duplicate cells are made
4 haploid cells are made
32
What influences the growth of a plant?
environment only
genetics only
BOTH genetics and the environment
33
In which type of asexual reproduction does the offspring grow off the side of the parent?
regeneration
vegetative reproduction
sexual reproduction
budding
34
Which of these is NOT a phenotype
short
tall
homozygous
round
35
A number describing how likely an event is
heredity
percentage
probability
phenotype
36
Which of the following is NOT an acquired trait
dyed hair color
math knowledge
eye color
dancing skills
37
An organism with two different alleles for a trait
heredity
heterozygous
homozygous
purebred
38
What characteristic does NOT help a seed get dispersed by wind?
juicy fruit
light weight
propeller like structures
small size
39
When an egg and sperm join _ occurs.
fertilization
pollination
40
In the cross Aa x Aa, how many boxes of a Punnett square will show AA
2
3
1
4
41
Genes pass from parents to offspring on
prophase
chromosomes
sex cells
somatic cells
42
a physical characteristic of organisms
trait
gene
allele
hybrid
43
The process that produces sex cells is
mitosis
division
meiosis
chromosomes
44
Only changes in which cell type can be passed down to offspring
sex
body
45
The alleles for a hybrid tall pea plant are represented as
tt
TS
Tt
TT
