Punnett Square
Cats either have curly hair (C) or straight hair (c). A cat has the genotype Cc. What is its phenotype?
Curly hair
How is genetic material stored in organisms?
DNA
Which type of reproduction involves only one parent?
Asexual reproduction
Name ONE of the two methods that increases genetic diversity within a population?
Mutations OR Sexual reproduction
In rhinos, a straight horn is represented by S and a curved horn is represented by s. A rhino has the genotype Ss. What type of genotype is this?
Heterozygous
DNA is wound up into structures called what?
Chromosomes
Which type of reproduction involves two parents?
Sexual reproduction
What are the three different types of genetic mutations?
Addition, Deletion, Substitution
In humans, B represents blue eye color and b represents brown eye color. Blue eye color is dominant to brown eye color. A homozygous dominant male with blue eye color has offspring with a homozygous recessive female with brown eye color. What percentage of the offspring will have blue eye color?
100%
How many chromosomes do humans have?
23
Which type of reproduction increases genetic diversity?
Sexual reproduction
What are the two gametic cells used in sexual reproduction?
Egg and Sperm
A certain species of bird either has red or blue feathers. Red feathers (R) are dominant to blue feathers (r). A bird with a heterozygous genotype reproduces with a bird that is homozygous for red feathers. What percentage of the offspring will be RR?
50%
What organelle is DNA held in within cells?
Nucleus
What is the method in which most bacteria reproduce?
Binary fission
If a mutation is advantageous, will it likely be passed down or not passed down?
Passed down
25%
What are the two types of reproduction?
What type of reproduction produces offspring quicker?
Changes to DNA leads to the production of different _________
Proteins