WorksheetsReproduction and Variation
Total questions: 38
Worksheet time: 19mins
What is a benefit of asexual reproduction?
makes unique offspring
Requires more energy
Takes less time
Makes identical offspring
A red cow and a white bull have a red and white calf. What type of inheritance pattern is this?
Not simple dominance
Polygenic trait
Multiple alleles
Sex-linked trait
What is a benefit of genetic variation?
Better able to adapt to change
Reproduce faster
Uses less energy
Prevents boredom
What is happening in this picture?
Chromosomes are lining up in different combinations
Chromosomes are exchanging genes
Diploid cells are becoming haploid cells.
Haploid cells are becoming diploid cells.
What is happening in this picture?
Chromosomes are lining up in different combinations
Chromosomes are exchanging genes
Diploid cells are becoming haploid cells.
Haploid cells are becoming diploid cells.
What is happening in this picture?
Chromosomes are lining up in different combinations
A sperm is fertilizing an egg.
Diploid cells are becoming haploid cells.
Haploid cells are becoming diploid cells.
What is happening in this picture?
Chromosomes are lining up in different combinations
Chromosomes are exchanging genes
Diploid cells are becoming haploid cells
Haploid cells are becoming diploid cells
What inheritance pattern is shown in black and orange cats?
Multiple alleles
Polygenic trait
Sex-linked traits
Not simple dominance
What pattern is shown in rabbit fur, when there are four different forms of one gene?
Multiple Alleles
Polygenic trait
Sex-linked trait
Not simple dominance
Flower color can change when you adjust pH. What inheritance pattern is this?
Multiple alleles
Polygenic trait
Environmental influence
Not simple dominance
What do the letters on the outside of this punnett square represent?
Gametes (sperm and egg)
Zygotes
Fertilization
Forming diploid cells
What do the letters shown by the arrow represent?
Gametes (sperm and egg)
Possible zygotes
Haploid cells
Cell specialization
A parent has the genotype EeFf. What combinations of alleles could they pass on in their sperm or egg cells?
Ee, EF, Ff, ef
EF, eF, Ef, ef
EF, EF, ef, ef
eF, eF, Ef, Ef
T=tall (dominant); t=short (recessive). What % of offspring are predicted to be tall?
0%
25%
75%
100%
Which genotype is homozygous recessive?
AA
Aa
aa
Which term describes the parents in this Punnett Square
Heterozygous
Homozygous dominant
Homozygous recessive
Helicopter
G = green; g = yellow and F= round; f = wrinkled. What is the phenotype of the parent whose reproductive cells are shown above this Punnett Square?
Green and Round
Green and Wrinkled
Yellow and Round
Yellow and Wrinkled
G = green; g = yellow and B = Big; b = Small What is the chance that these parents will have a small, yellow offspring?
0
1/16
8/16
4/16
What process happens when a zygote develops into an embryo?
Meiosis
Mitosis
Fertilization
What process produces egg cells?
spermatogenesis
oogenesis
eggogenesis
fematogenesis
Which process produces diploid cells?
spermatogenesis
oogenesis
mitosis
meiosis
How many eggs are produced each time a female does meiosis?
1
2
3
4
Where would you find meiosis happening?
Ovaries
Uterus
Stomach
Everywhere
What term describes your skin cells?
Diploid
Haploid
Not enough information
This shows a person's freckles in the summer and in the winter. What inheritance pattern is this?
Polygenic traits
multiple alleles
environmental influences
not simple dominance
Each snail produces both egg and sperm. Snails will exchange egg and sperm with each other. What type of reproduction is this?
Sexual
Asexual
Both
Paramecia are single celled aquatic living things. They reproduce when one paramecium divides into two. What type of reproduction is this?
Sexual
Asexual
Both
A person must inherit two copies of the attached earlobe allele to have attached earlobes. The attached allele is ____.
Dominant
Recessive
Not enough information
What method of creating genetic variation is shown here?
Crossing over
Independent assortment
Random fertilization
Mutation
This shows a karyotype. What sex is this individual?
Male
Female
What process produces reproductive cells?
mitosis
meiosis
fertilization
This pair of chromosomes have similar genes. One chromosome came from your mom and one from your dad. They are ______.
sister chromatids
homologous chromosomes
sex chromosomes
meiosis chromosomes
The red chromosome has two sides, which each have the identical alleles, attached at the center. These are ____
sister chromatids
homologous chromosomes
sex chromosomes
meiosis chromosomes
Mango plants have 40 chromosomes in each of their leaf cells. How many chromosomes would be in its sperm cells?
20
40
80
0
A person has O blood (genotype OO). What is the chance they will pass on an O allele to their child?
0%
25%
50%
100%
An individual is heterozygous for stripes. What is their genotype?
AA
Aa
aa
P = purple flowers; p = white Cross a heterozygous purple plant with a homozygous white plant. Find the chance of a white-flowered offspring.
25%
50%
75%
100%
P = purple flowers; p = white Cross two heterozygous purple flowers. Find the chance of a homozygous dominant offspring.
0%
25%
50%
75%
