wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Review 6.4-5

Total questions: 24

Worksheet time: 12mins

Name
Class
Date
1.

What do the letters inside the grid of a Punnett square represent?

a)
a) phenotypes of parents
b)
b) genotypes of offspring
c)
c) testcrosses of offspring
d)
d) chromosomes of parents
2.

What is the probability that the offspring of a cross between a homozygous recessive parent and a heterozygous parent will be homozygous recessive?

a)
a) 1
b)
b) 1/2
c)
c) 1/4
d)
d) 1/8
3.

The term for a cross that involves just one trait, such as pod shape, is called a

a)
a) homozygous cross.
b)
b) test cross.
c)
c) monohybrid cross.
d)
d) dihybrid cross.
4.

What is the phenotypic ratio of a monohybrid cross between two heterozygous parents?

a)
a) 3:1
b)
b) 1:2:1
c)
c) 9:3:3:1
d)
d) 1:2:2:1
5.

Which of the following observations did Mendel make as a result of his experiments with dihybrid crosses?

a)
a) Dominant traits are inherited together.
b)
b) Different traits are inherited separately.
c)
c) Similar traits are inherited in pairs.
d)
d) Recessive traits are inherited unpredictably.
6.

About how many different combinations of chromosomes can be produced through the random fertilization of human gametes?

a)
a) 2^4 x 2^4
b)
b) 2^16 x 2^16
c)
c) 2^23 x 2^23
d)
d) 2^46 x 2^46
7.

Which phrase best describes the process of crossing over?

a)
a) Pairs of homologous chromosomes exchange segments.
b)
b) Pairs of sister chromatids exchange segments.
c)
c) Pairs of homologous chromosomes become linked.
d)
d) Pairs of sister chromatids become linked.
8.

Suppose a gene that codes for flower color is linked with a gene that codes for leaf shape. Which statement is true of this pair of genes?

a)
a) They have similar loci on homologous chromosomes.
b)
b) They cross over separately during recombination.
c)
c) They are close together on the same chromosome.
d)
d) They likely will be inherited separately.
9.

During what stage of meiosis does crossing over occur?

a)
a) prophase I of meiosis I
b)
b) anaphase II of meiosis II
c)
c) telophase I of meiosis I
d)
d) metaphase II of meiosis II
10.

Which of the following is a result of the study of gene linkage?

a)
a) The precise genes in the human genome have been mapped.
b)
b) The exact order of genes on a chromosome can be found.
c)
c) The relative distances between genes can be calculated.
d)
d) The specific characteristics of offspring can be predicted.
11.
If a cheetah has 44 chromosomes in its body cells, what are the values for 2n and n?
a)
2n = 44
b)
2n = 22
c)
n = 22
d)
n = 11
12.
If a cheetah has 44 chromosomes in its body cells, how many chromosomes would its gametes have?
a)
11
b)
22
c)
44
13.
An egg cell for a fruit fly has 4 chromosomes, what are the values for 2n and n?
a)
2n = 8
b)
2n = 4
c)
n = 4
d)
n = 2
14.
An egg cell for a fruit fly has 4 chromosomes, how many chromosomes are in one of its somatic cells?
a)
2
b)
4
c)
8
15.
At what point in meiosis do you go from 2n ⇒ n?
a)
after metaphase II
b)
before prophase II
c)
after telophase/cytokinesis I
d)
after telophase/cytokinesis II
16.
What phase of meiosis did Mendel predict with his law of segregation?
a)
metaphase I
b)
anaphase I
c)
prophase II
d)
anaphase II
17.
Guinea pigs can be either black (B) or white (b). If a white guinea pig is crossed with a black one, what is the genotype of the black parent if there are no white offspring? (hint: test cross)
a)
homozygous dominant
b)
heterozygous
c)
homozygous recessive
18.
If a mosquito has 6 chromosomes in its somatic cells, what are the values for 2n and n?
a)
2n = 12
b)
2n = 6
c)
n = 6
d)
n = 3
19.
Which equation(s) can be used to find the number of possible gametes in an organism?
a)
2^n
b)
2^2n
c)
2^n x 2^n
d)
2^2n x 2^2n
20.
Which equation(s) can be used to find the number of possible offspring in an organism?
a)
2^n
b)
2^2n
c)
2^n x 2^n
d)
2^2n x 2^2n
21.
How many different offspring could a mosquito have if its somatic cells have 6 chromosomes?
a)
8
b)
16
c)
32
d)
64
22.

What is the genotypic ratio of a dihybrid cross between two heterozygous parents?

a)

a) 1:2:1:2:4

b)

b) 9:3:3:1

c)

c) 1:2:1

d)

d) 3:1

23.

What is the term for a cross that involves two traits, such as pod shape and color?

a)

a) monohybrid cross.

b)

b) test cross.

c)

c) homozygous cross.

d)

d) dihybrid cross.

24.

What is the probability that the offspring of a cross between two heterozygous parents will be homozygous dominant?

a)

a) 1/4

b)

b) 1/2

c)

c) 1

d)

d) 1/8

Similar Resources on Wayground

F1 Science Chapter 5-8 Quiz

20 questions

F1 Science Chapter 5-8 Quiz

quiz

Worksheet

•

1st Grade - Professio...

Penilaian Harian 1 - PH 1 IPA 7

20 questions

Penilaian Harian 1 - PH 1 IPA 7

quiz

Worksheet

•

10th Grade - University

Budidaya - X Semester 1

25 questions

Budidaya - X Semester 1

quiz

Worksheet

•

10th Grade

Rangkaian seri dan paralel

20 questions

Rangkaian seri dan paralel

quiz

Worksheet

•

10th - 12th Grade

PH IPAS BAB ENERGI DAN PERUBAHANNYA

20 questions

PH IPAS BAB ENERGI DAN PERUBAHANNYA

quiz

Worksheet

•

10th Grade

SC9 U3-Atoms, PNE

20 questions

SC9 U3-Atoms, PNE

quiz

Worksheet

•

10th Grade

Covalent bonding + simple molecular

20 questions

Covalent bonding + simple molecular

quiz

Worksheet

•

7th - 11th Grade