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WorksheetsGenetics Retake Quizizz
Total questions: 24
Worksheet time: 18mins
Alternant or different genes that code for the same trait are called?
chromosomes
segments
alleles.
homozygous.
Which of the following alleles is homozygous (purebred) recessive?
TT
Tt
tt
ts
Red (R) is dominant over white (r). How can a flower be white?
It can have RR and be white.
It has to have rr.
It has to have rR
There is no way it can be white until the third generation.
In humans, the haploid number of chromosomes is ____.
23
46
69
92
Which of the following is the best definition for MEIOSIS?
the process of two haploid cells uniting
the counting of chromosomes within a diploid cell
a two-step process that reduces the number of chromosomes in half such that there is only one copy of all the chromosomes
the equational division of a cell into two identical copies
In which stage of MEIOSIS does crossing over occur? (The exchange of genetic material between chromosomes in a tetrad.)
Anaphase I
Metaphase I
Prophase I
Telophase I
How many cells are formed at the end of Meiosis II?
2
3
4
8
What is the scientific term that refers to sex cells?
autosome
gamete
karyotype
chromosome
All sperm and egg cells are genetically identical.
TRUE
FALSE
These cells are considered body cells like skin, hair, and cheek.
Somatic Cells
Sex Cells
Germ
Gametes
This is called Turners syndrome, can you notice the mutation in the chromosomes?
Both chromosomes 1 are bent
There are too many chromosomes
There are too many of chromosome 3
There is no Y chromosome
How many CHROMOSOME PAIRS does this karyotype have?
15
30
16
32
By looking at the chromosomes is this individual biologically male or female? How do you know?
Female, because they have two X chromosomes
Male, because they have one X and one Y chromosome
Different traits are inherited independently of each other
Law of independent assortment
Genetics law
