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AleksandrR [38]
3 years ago
15

Which of the alleles for the OCA2 gene is dominant? Which is recessive?

Biology
1 answer:
Veseljchak [2.6K]3 years ago
8 0

Answer:

Dominant is the regular colored skin or melanin, and the recessive is albinism

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If a plant is inherited by complete dominance where homozygous dominant is a red flower color and homozygous recessive is a whit
WITCHER [35]

Answer:

Genotype of parents is Rr

Explanation:

Let the allele for red flower be represented by "R" and the allele for white flower be represented by "r"

Allele for red color is dominant over allele for white color.

Co-dominant causes the expression of characteristics associated with dominant allele only.

Genotype of parents is Rr

Rr * Rr

RR, Rr, Rr, rr

"rr" is white colored flower

"RR and Rr" is red colored flower

7 0
3 years ago
I’m not sure if this is biology but it’s science
Ostrovityanka [42]

Answer:

science

Explanation:

4 0
3 years ago
The incidence of skin cancer has increased dramatically in parts of Australia where people are experiencing greater UV exposure
Marina86 [1]

Answer:

The correct answers are:

1. stratospheric ozone depletion

2. climate change

3. desertification/land degradation

4. freshwater decline

5. biodiversity loss.

Explanation:

1) Stratospheric ozone depletion- ozone layer is the protective layer around the earth that protects us from harmful rays such as UV rays coming from the sun. There are depletions or holes in the ozone layer in some parts of Australia and therefore, therefore leading to skin cancer.

2) climatic change - The change in the average temperature or precipitation of an area that takes place due to global warming that changes the earth's climate is changing rapidly.

3) desertification or land degradation - It occurs due to past overuse of fertilizer or barren land that has zero crop yield.

4 )freshwater decline - freshwater is an essential part of the irrigation of crops in agriculture and due to the downfall of groundwater its decline the freshwater produce in these parts.

5) biodiversity loss - Coral reefs are habitats for many aquatic organisms and used as various ways of biodiversity. If there is a loss or decrease in their numbers it will affect and decline the biodiversity of the area.

7 0
3 years ago
Classification od hornwort​
miv72 [106K]

Answer:  Traditionally, hornworts have been classified as bryophytes, together with mosses (division Bryophyta) and liverworts (division Marchantiophyta). In some classification systems, hornworts have been grouped as horned liverworts in the subclass Anthocerotidae (class Hepaticae), class Anthocerotopsida, order Anthocerotales.

Explanation: Yw and pls mark me brainiest

7 0
2 years ago
a horse has 64 chromosomes and a donkey has 62, using your knowledge of meiosis explain why a cross between these animals produc
Pani-rosa [81]
The horse will give 32 chromosomes and donkey will give 31 chromosomes to the offspring.
The offspring has 63 in total.
 It is odd so it can not produce normal germ cell. So it is sterile.

3 0
3 years ago
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