If the parents are heterozygous for cystic fibrosis (Ff x Ff), what is the chance that an offspring has cystic fibrosis? Cystic fibrosis is a recessive trait. Show your work and circle the correct answer.
Question 7
7.
In silkworms, the dominant allele for cocoon color is yellow (Y) and the recessive allele is white (y). Show what the Punnett square would look like if two parents with the genotypes YY and yy are crossed.
Question 8
8.
For the Punnett square above, what are the genotypes and phenotypes of the offspring?
Question 9
9.
Question 10
10.
Question 11
11.
What would the complementary strand of DNA be for the sequence of bases below?
Question 12
12.
A mutation is ____________________________________.
Question 13
13.
What are the three types of mutations?
Question 14
14.
What is a chromosome?
Question 15
15.
Question 16
16.
Question 17
17.
Question 18
18.
Question 19
19.
Question 20
20.
Question 21
21.
Heredity is __________________________________________.
the process of producing sex cells
the passing of traits from parent to offspring
a trait that is observed in the first generation
a dominant trait
Genes carry information that determine _______________________.
allelles
chromosomes
ribosomes
traits
Choose all of the Phenotypes from the following List
Wrinkled
GG
Purple
gg
Green
Rr
Tall
Identify each of these using the labels below.
ff
Aa
RR
PP
rr
Qq
Tt
Gg
Homozygous Dominant
Heterozygous
Homozygous Recessive
DNA is...
in the nucleus
contains theinformation that determines the traits that a living thing inherits
shaped like a double helix
All of above
This is the subunit in the chain of DNA that consists of a sugar, a phosphate, and a base.
Nucleotide
Protein
Ribosome
All of the above
What is the centromere of a chromosome?
Part of the cell where the chromosome is located
The longest arm of the chromosome
A gene
Region where two sister chromatids are joined together
The end result is 2 daughter cells that appear identical to the parent
cell.
Meiosis
Mitosis
Both
The end result is 4 daughter cells that appear unique to the parent cell.
Meiosis
Mitosis
Both
DNA replication (copying) takes place.
Meiosis
Mitosis
Both
Process begins with 1 parent cell.
Meiosis
Mitosis
Both
Purpose of this process is growth and repair of body cells.
Meiosis
Mitosis
Both
Purpose of this process is reproduction related to sperm and egg.