06/12/21

biology punnett

5a) Red roan hair colour in some horses is due to codominance of the white allele and the red allele. If a red roan horse mates with a white horse, indicate the genotypic and phenotypic ratios that... more

06/01/21

Biology- genes unit

Why does meiosis need two nuclear divisions to produce four haploid cells from a single diploid nucleus? 

05/19/21

CELL DIVISION ( MEIOSIS AND MITOSIS)

What is the chromosomal number of each daughter cell produced at the end of meiosis I and II if the number of chromosomes in somatic cells is 24 ??PLEASE HELPP ME!!😭😭😭

05/12/21

Please help me on how to do Science DNA punnett squares!

How do you do DNA punnett squares? My science teacher showed me an activity we all have to do but he never really explained it so I'm confused. What I know so far is the fact that Dominant alleles... more

05/12/21

Please help me on how to do Science DNA punnett squares!

How do you do DNA punnett squares? My science teacher showed me an activity we all have to do but he never really explained it so I'm confused. What I know so far is the fact that Dominant alleles... more

05/07/21

How can we apply biology in our daily life

How can we apply biology in our daily life

AP Bio genetics question? A man and a woman who are both heterozygous for blood group A decide to produce four children.

A man and a woman who are both heterozygous for blood group A decide to produce four children. a. What are the possible phenotypes of these children? b. What are the possible genotypes of these... more

If a dog cell had 78 chromosomes, how many chromosomes would the cell have after mitosis?

I already know that the dog cell would have 39 pairs of homologous chromosomes. I am looking specifically for the amount of chromosomes it would have after going through mitosis.

05/05/21

Biology grade 12

If two pea plants are crossed and the F1 offspring includes one homozygous tall pea plant, what are the phenotypes and genotypes of the parents?

05/04/21

Replicate the DNA ATCTTGCAAAGGCT?

I need to know if it’s ACTGACTTAGCTAG or TAGAACGTTTCCGA or TAGAATGCTAAGCC or GCATATCCTTATTT please!!!

Some protists are more closely related to animals, plants, or fungi than they are to each other. What does this suggest about the classification used for members in this kingdom?

I’m a little stuck with this question... we learned about protists today, and i’m not sure how to answer this question.

04/27/21

INHERITANCE AND PROBABILITY PENNY LAB PLEASE HELP ME

In genetics, when we are trying to figure out how traits may be passed from parents to offspring, probability is an important consideration. If we know a little bit about the trait we are studying,... more

03/06/21

MATLAB Help Please

Please help with how to use MATLAB to solve 1b and 1c:Suppose that the distance of fly balls hit to the outfield (in baseball) is normally distributedwith a mean of 250 feet and a standard... more

03/05/21

Organogenesis definition

—What is indirect organogenesis?—Schematic representation of it

02/09/21

Biology- Transpiration

1) If you added salt to the beaker of water, indicate if the following would increase, decrease, or stay the same.-water potential___________-Slolute potential__________-Pressure... more

Osmosis - Estimating the water concentration of red onion epidermal cells

An investigation was carried out to estimate the water concentration of red onion epidermal cells. Pieces of epidermis were covered with a drop of salt solution on a microscope slide. After 5... more

Still looking for help? Get the right answer, fast.

Ask a question for free

Get a free answer to a quick problem.
Most questions answered within 4 hours.

OR

Find an Online Tutor Now

Choose an expert and meet online. No packages or subscriptions, pay only for the time you need.