The male panda bear has 25 chromosomes in each sperm cell. How many chromosomes would be in the fertilized panda zygote?

Biology

2 answers:

My name is Ann [436]2 years ago

5 0

Answer:

50 chromosomes

Explanation:

stepladder [879]2 years ago

4 0

50 chromosomes
A sperm cell is haploid (n) and a zygote is diploid (2n) so 25(2)=50 chromosomes

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How is Gel –Electrophoresis used in the fields of Medicine, Agriculture and Forensic Science

Andreyy89

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3 years ago

Which traits are codominant or incompletey dominant? ( these traits don’t have a clear dominant or recessive , the heterozygous

ankoles [38]

Answer:

Codominant- traits don’t have a clear dominant or recessive

incomplete dominance- the heterozygous condition shows a “blending” or a “middle” condition

Explanation:

In codominance, the traits are expressed equally in the phenotype thus they don't have a clear dominant or recessive state. For example the ABO blood group alleles. The alleles A and B are codominant each being expressed equally.

In incomplete dominance the traits show intermediate expression where one allele expresses itself more strongly than the other. An example in man is seen in the inheritance of the disease sickle cell anaemia. Heterozygote who carry the sickle cell gene are said to have sickle cell trait and as such the carrier allele (HBa) has a stronger influence on the phenotype than the dominant alle (HBs).

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2 years ago

Cross a parent that is homozygous recessive for both traits (bbee) with a dihybrid (BbEe). First, draw a Punnett square in your

Bas_tet [7]

In this question, one parent is homozygous recessive (bbee) and other parent is dihybrid (BbEe)
B - black fur dominant trait
b - white fur recessive
E- black eyes dominant
e - red eyes recessive

a punnett square shows all the possible combinations of genotypes with the corresponding phenotypes that the offspring could inherit.
the genotypes and their phenotypes for the offspring are given below ;
BBEE / BbEe / BbEE / BBEe - black fur and black eyes
Bbee / BBee - black fur and red eyes
bbee - white fur and red eyes
bbEe / bbEE - white fur and black eyes

after analysing the punnett square the following results are obtained;
black fur and black eyes - BbEe- 4/16
black fur and red eyes -Bbee - 4/16
white fur and black eyes - bbEe - 4/16
white fur and red eyes -bbee - 4/16