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Blood type inheritance involves three alleles, which are shown in the chart as A, B, and O. Resulting blood types can be A, B, AB, or O. This is an example of...
Codominance
Name an example of asexual reproduction in plants
Answers may vary
A cuckoo bird has placed one of her eggs in a robin's nest. The mother robin will care for the chick that hatches from this egg, possibly at the expense of her own chicks. How does this strategy affect the reproductive success of the cuckoo and the robin?
The cuckoo bird knows its chick will be cared for, and the robin may care for a surviving bird over the eggs because they do not know if it will survive.
Name an organism that reproduces by budding.
Hydra, for example
What is Mrs. Rachel's favorite color?
Lavender
Sam has blood type A, and Heidi has blood type B. What are the possible genotypes they have?
Sam: AA or AO
Heidi: BB or BO
Name an example of sexual reproduction in plants
Answers may vary
In cattle, the allele for solid coat color is dominant (R) and the allele for white-spotted coat is recessive (r). A rancher crossed two cows, both solid color. What combination of genes in the solid-coat parents could result in offspring with the white-spotted phenotype?
Rr and Rr
What is a zygote?
a cell that forms as the result of fertilization and has a the same number of chromosomes as the parent cells
Who is Mrs. Rachel's favorite superhero?
Wolverine
If Sam is AO and Heidi is BO, what is the probability in percent that their child will have AB blood?
25%
What are the benefits of asexual reproduction for a species?
Less energy, more offspring, more frequent
If you cross a homozygous individual BB with a heterozygous individual Bb, what is the correct genotypic ratio?
1 BB: 1 Bb
The genetic instructions are found in ---- within the DNA
genes
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Male impala lock antlers to compete for mates. The physical advantages that one male has over the other depend on which factors? (Genetic, environmental, both or neither?)
Both
What are the disadvantages of asexual reproduction in a species?
Low genetic variation
Alleles carry the codes for producing which of these types of large molecules?
Proteins
The male reproductive structure of a flower is the ___.
stamen
How many countries has Mrs. Rachel been to?
10
Why is the winning male impala likely to have more reproductive success?
(Impalas lock antlers to compete for mates)
Healthier, and more likely to produce healthy, viable children
He will attract a mate
He can protect his offspring
What are the disadvantages for sexual reproduction in a species?
Energy spent, fewer offspring, longer gestation period, etc.
A scientist crosses a rabbit with black fur and a rabbit with white fur. Which outcome would show that the trait for fur color is an example of having codominance?
All the offspring have black fur with white patches.
Pollination can occur between flowers of the same plant, different plants only, or both?
Both
Mrs. Rachel's heritage is from 3 countires. What are they?
German, Italian, Portuguese