Font size
WorksheetsSB3 Genetics
Total questions: 30
Worksheet time: 16mins
Who is Gregor Mendel?
Father of science
Father of genetics
Father of independent assortment
Father of traits
How are traits determined?
By the person
By the parts of tissue
By the way they act
By the genes on the chromosomes
What are the parts on a chromosome?
Chromatid
Alleles
Components
Centromere
What are the parts of telomeres?
Repeats, acts as a gene, determines your looks
Acts as a clock, repeats, pulls chromatids apart during mitosis
Pulls chromatids during mitosis, highly condenses
Repeats, acts as a biological clock, being whittled down at each mitosis
What are the parts of the centromere?
Repeats, acts as a clock, short arm/long arm
Homologous, genes, arms
Highly condensed, repetitive sequence, spindle fibers are attached, pulls chromatids apart during mitosis
Chromatid, Genes
What traits are dominant?
TT
Tt
tt
What trait is recessive?
TT
Tt
tt
Whats genotype?
Letters on a chart (TT, Tt, tt)
Results from gene makeup
Predicts the gene makeup
Homozygous/Heterozygous
Whats phenotype?
Homozygous/Heterozygous
Letters on a chart (TT, Tt, tt)
Results from gene makeup
Predicts the gene makeup
What is a punnet square for?
To determine offspring
To show what offspring will look like
To predict possible gene makeup of offspring
To look at the cross of two parents
The term that that means to pass genetics from one generation to the next
DNA
Inheritance
Traits
Hereditary
DIfferent forms of genes are called what?
Traits
Alleles
Heterozygous
Homozygous
In bunnies, black bunnies and white parents will produce offspring with black and white. This is a result of
dominance
recessive genes
dominant genes
codominance
What could come form the parents genotypes? (AABb)
AB, Ab, AA, ab
AB, AB, Ab, Ab
Ab, AB, AB, ab
AB, AA, Ab, aa
White is recessive to pink so what is the genotype to these flowers?
White
Pp
PP
pp
If you cross an animal with black fur (BB) with another with the genotypes (Bb), how many will be black?
25%
50%
100%
75%
Whats another name for traits?
Alleles
Characteristics
Genes
Genetics
How many bananas will be green?
25%
100%
50%
75%
What bananas will be yellow?
25%
50%
75%
100%
What is this called?
Punnett square
Purebreed
Dihybrid
Genetics
How many will be yellow with a sponge texture?
10
13
3
4
What is the dominant trait in this punnett square
Green
Yellow
Purple
White
What is the recessive trait?
Green
Yellow
Bananas
Two green eyed parents (Gg) have a baby. What is the chance the baby is blue eyed?
25%
50%
75%
100%
If a blonde parent (Bb) and a parent with brown hair (bb) have baby, what is the possibility that their child will have blonde hair?
50%
75%
25%
100%
What is it called when a gene "prevents" another gene from showing?
Dominance/Dominant
Recessive
Codominance
Inheritance
Gene that does not show even though it is present
Inheritance
Dominance/Dominant
Recessive
Codominance
If brown fur is dominant then what statement is true?
This horse has two dominant traits (BB)
This horse does not have brown fur
This horse has two recessive traits (bb)
The horse can be both (Bb) and (BB)
What is purebreed?
TT
Tt
tt
What the difference between homozygous and heterozygous?
Homozygous has two of the same alleles and heterozygous has two different alleles
Homozygous and heterozygous are the same
Heterozygous has two of the same alleles and homozygous has two different alleles
