stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
BIO Genetics Flashcards | StudBud
Explore
/
BIO Genetics
BIO Genetics
50 terms
·
StudBud Administration
·
61 plays
Imported from external platform
Flashcards
50 cards
F
Practice quiz
P
Host live
L
Questions
50
Answers
1
Figure 9-10 on page 183; what are the offspring's phenotypes of the top Punnett square?
black
Bb
bb
brown
2
In a monohybrid cross of two heterozygous parents (Pp), what would the expected genotype ratios of the offspring?
1:2:1
1:3
3:1
all heterozygous
3
Page 182; figure 9-8 what is the genotypes of the parents?
Black
BB x Bb
PP
BB
4
The number of chromosomes normally found in a human body cell is:
23
24
46
48
5
In a deck of cards, what are the chances I will pull an ace out of the deck?
4:56
1:52
1:13
no answer is correct
6
The # of chromosomes in a human reproductive cell:
48
24
46
23
7
One of Mendel's principles is the principle of:
environment
codominance
segregation
hybridization
8
The principles of ___ are used to predict the outcomes of certain crosses in the study of ____.
no answer is correct
probability; biology
probability; genetics
genetics; probability
9
Many inherited disorders of humans appear in children of parents who do not have the disorder. How is this possible?
the disorder must be dominant
the disorder skips generations
the disorder is caused by the environment
the disorder must be recessive
10
Mendel studied ______ using ______.
heredity; pea plants
he did not study, he was a farmer
genetics; a microscope
pea plants; a microscope
11
If you cross two heterozygous pink flowers; using a Punnett Square, how many offspring will be white?
4
2
3
1
12
A homozygous tall plant (TT)is crossed with a heterozygous tall plant (Tt); tall is dominant; which is correct?
50% TT, 50% Tt
50% Tt; 50% tt
100% TT
25% TT, 50% Tt, 25% tt
13
On page 184, figure 9-11 what color would the flowers be in complete dominance?
white
red with white stripes
pink
red
14
QR
homozygous dominant
dominance
recessive
codominance
15
The law of segregation happens during:
interphase
mitosis
meiosis
telophase
16
A cross of two individuals for two contrasting traits is called:
testcross
dihybrid
codominant
monohybrid
17
A segment of DNA that controls a particular trait
nitrogenous base
gene
allele
phosphate backbone
18
A(n) _____ is one of a pair of genetic factors that determines the expression of a(n) ____.
trait; allele
trait; ribose sugar
allele; trait
allele; nitrogenous base
19
An organism having two different alleles for the same trait:
homozygous recessive
heterozygous
homozygous
homozygous dominant
20
The trait being investigated in the lab you completed yesterday is:
seed color
fur color
skin color
plant height
21
Read question #4 on page 189. The answer is:
2
1
3
4
22
The "peas" in the Petri dishes were representing a(n):
genome
allele
DNA strand
dihybrid cross
23
Gg
heterozygous dominant
homozygous
homozygous recessive
heterozygous
24
This states that one factor may mask the effect of another factor:
codominance
dominance and recessiveness
independent assortment
segregation
25
Rolling your tongue is a dominant trait; what is the genotype of a person who cannot roll their tongue?
no answer is correct
Tt
tt
tT
26
The external appearance of an organism:
genotype
phenotype
allele
genome
27
Page 186, number 4 P generation is:
Rr x rr
RR x rr
Rr x Rr
no answer is correct
28
What color are the eyes of the alligator on page 172?
red
blue
green
brown
29
The father of genetics:
Mendel
Hooke
Watson
Muller
30
The answer to question 6 on page 189 is:
Rr
wrinkled
round
rr
31
2 guinea pigs are crossed and the offspring are all black; what is the genotype of both parents?
Bb
BB
bb
all answers are correct
32
An alternative form of a gene:
dominant
recessive
allele
trait
33
The offspring of a dihybrid cross are called:
dihybrids
codominant
homozygous
heterozygous
34
If there are 30 students in a class and 10 own cats, the ratio is:
3:1
30:1
1:30
1:2
35
Predict the results of a cross between a rabbit with black fur BB and a rabbit homozygous recessive for brown fur bb:
100% BB; 50% black
50% Bb; 100% black
50% BB; 50% brown
100% Bb; 100% black
36
True-breeding parents:
F1 generation
can't fertilize
P generation
F2 generation
37
How many alleles are involved in a monohybrid cross?
2
4
3
1
38
Having two similar, recessive alleles for a trait:
codominance
homozygous dominant
heterozygous
homozygous recessive
39
Mendel wanted to ensure that the plants he was studying were ___ for specific traits.
true-breeding
recessive
codominant
dominant
40
Complete the analogy; Rr: genotype :: red :
phenotype
heterozygous
F1 generation
dominant
41
rr
homozygous recessive
recessive
heterozygous
homozygous
42
A table or chart used to diagram and determine the results of a genetic cross is called a(n):
Punnett circle
box diagram
allele
Punnett square
43
What is the genotype of a purple-flowered pea plant?
Pp
pp
PP
PP or Pp
44
The transmission of characteristics from parents to offspring:
no answer is correct
genotype
genetics
heredity
45
What is the expected genotypic ratio resulting from a heterozygous tall crossed with another heterozygous tall plant?
1:3:1
1:3
3:1
1:2:1
46
A cross of two individuals for a single contrasting trait is called:
doshybrid
codominant
monohybrid
dihybrid
47
The sex of the offspring in human is determined by:
neither the female nor the male
the female
both the female & male
the male
48
A dominant allele is represented by a(n) ___ and the same letter in lower case represents a(n) ___.
no answer is correct
capital letter; dominant allele
capital letter; recessive allele
lower case letter; dominant allele
49
Which of the following is heterozygous?
P
Zz
rr
YY
50
In four o'clocks, coloration is an example of incomplete dominance. If we cross a white flower with a red all will be:
red
red with stripes
white
pink
