Heredity, Genetics & DNA

Gregor Mendel is known as the father of

• heredity

• genetics

• peas

• traits

Which is one of the benefits of asexual reproduction?

• The organism has a better chance of surviving an environmental threat.

• The organism can choose the mate that will create the best fit offspring.

• The organism can reproduce itself very rapidly.

• The organism's offspring will have good parental care.

Every cell of every living thing on earth contains all the information it needs to create and duplicate and make variations of...

• itself

• any other kind of cell

• red blood cells

• proteins

DNA is made of chains of 4 smaller molecules called:

• nucleotide bases

• mitochondria

• DNAlers

• letters

True/False: In a DNA strand, the base T pairs up with the base U.

• True

• False

Small differences in the sequences of ______ in our genes makes each of us unique.

• alleles

• DNA

• nucleotide bases

• chromosomes

True/False: Asexual organisms usually provide little or no parental care.

• True

• False

True/False: In sexually reproducing organisms, when fertilization happens inside the body, there's a better chance of the offspring surviving.

• True

• False

Each gene on DNA is a set of instructions for building a specific ____________.

• protein

• base

• code

• genome

Which species does NOT make clones of itself?

• spider plant

• brittle star

• yeast

• sunflower