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WorksheetsTopic 7: Genes & Heredity
Total questions: 64
Worksheet time: 2hrs 48mins
Heredity is....
The passing of traits from parent to offspring
What I get from grandpa when he goes back to King Kai
A hidden trait
The strongest trait
bb
Recessive
BB
Homozygous Dominant
Bb
Dominant
A dominant trait is (a)
A recessive trait is
A trait that always hides from the dominant trait
A trait that always beats the dominant trait
A trait that only happens in mom's side of the family
None of these
Gerry and his wife both have blue eyes, which is a recessive trait. Which is true about their baby?
He's adopted
The baby will not inherit their traits
The baby will be blue eyed
The baby will have brown hair
A flower garden has 300 flowers, and 250 of them are purple flowers, and the other 50 are white flowers. Which of the following is true?
He doesn't have enough pollen spreaders
The purple flowers are dominant
The white flowers will eventually overpower the purple
He is using a soil that helps boost his plant growth rate
True or false: You inherit 75% of your genes from mom, 25% from dad (a)
We use letters to describe genes: Blue Eyes = (bb) (a)
When your genes are expressed physically (how you look) we call that your: (a)
RR is: (a)
Yy is: (a)
Select the recessive traits:
Brown Hair (HH)
Brown Eyes (Bb)
Blue Eyes (bb)
Dimples (Dd)
No Hitchhikers Thumb (hh)
R - Red dominant Flower
r - purple recessive flower
How many purple flowers are there in this Punnett square?
B - Brown eye dominant
b - blue eye recessive
how many blue-eyed off spring are in this Punnett square?
Human body cells have 46 pairs of chromosomes. (a)
Sex cells have twice the number of chromosomes as body cells. (a)
Genes pass from parents to offspring on chromosomes. (a)
The two chromosomes in a pair have the same genes lined up in the same order, so each gene is found in the same place on each chromosome. (a)
A fertilized egg has twice the number of chromosomes as the body cells of the parent. (a)
How many chromosomes would be in a human sex cell if body cells have 46 chromosome?
What does a filled in square represent? (a)
What does an open circle represent? (a)
What is this? (a)
Which individual in the first generation is a carrier? (a)
A carrier is represented by what symbol? (a)
Offsprings are represented by (a)
What does a horizontal line between a square and a circle mean? (a)
In which phase does crossing-over happen? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
Mitosis
Makes skin cells
Meiosis
Makes gametes (sperm & egg)
Asexual Reproduction
1 parent
Sexual Reproduction
2 parents
This image shows chromosomes during Prophase 1. Which of the following correctly describes the process shown?
segregation of sister chromatids
condensation and segregation of alleles
mutationin which the DNA content of the gene is altered
crossing over or recombination in which alleles are exchanged
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
What phase is this? (a)
Mitosis make (a) , which are (b) to the parent cell. Meiosis makes (c) , which are (d) than the parent cell.
Are the cells in Mitosis identical or unique? (a)
What do you call the type of reproduction in which two different sex cells combine, producing an offspring? (a)
In (a) only one parent organism produces offspring.
This is a form of (a)
This is a form of...
sexual reproduction
asexual reproduction
This is a form of (a)
This is a form of...
sexual reproduction
asexual reproduction
